Staging: comedi: remove comedi-specific wrappers

There are a number of comedi "wrappers" for some RT functions that are
about to go away. This patch removes all of the wrapper calls within
the comedi drivers and core in order to prepare for removing the RT
comedi code.

Cc: Ian Abbott <[e-mail]>
Cc: Frank Mori Hess <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/comedi/comedi_fops.c

···
 	/* by default we allow the insn since we don't have checks for
 	 * all possible cases yet */
 	default:
-		rt_printk("comedi: no check for data length of config insn id "
+		printk("comedi: no check for data length of config insn id "
 			  "%i is implemented.\n"
 			  " Add a check to %s in %s.\n"
 			  " Assuming n=%i is correct.\n", data[0], __func__,
···
 		return -EINVAL;
 	s = dev->subdevices + arg;
 
-	comedi_spin_lock_irqsave(&s->spin_lock, flags);
+	spin_lock_irqsave(&s->spin_lock, flags);
 	if (s->busy || s->lock)
 		ret = -EBUSY;
 	else
 		s->lock = file;
-	comedi_spin_unlock_irqrestore(&s->spin_lock, flags);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
 
 	if (ret < 0)
 		return ret;
···
 
 void comedi_error(const struct comedi_device *dev, const char *s)
 {
-	rt_printk("comedi%d: %s: %s\n", dev->minor, dev->driver->driver_name,
-		  s);
+	printk("comedi%d: %s: %s\n", dev->minor, dev->driver->driver_name, s);
 }
 
 void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&s->spin_lock, flags);
+	spin_lock_irqsave(&s->spin_lock, flags);
 	s->runflags &= ~mask;
 	s->runflags |= (bits & mask);
-	comedi_spin_unlock_irqrestore(&s->spin_lock, flags);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
 }
 
 unsigned comedi_get_subdevice_runflags(struct comedi_subdevice *s)
···
 	unsigned long flags;
 	unsigned runflags;
 
-	comedi_spin_lock_irqsave(&s->spin_lock, flags);
+	spin_lock_irqsave(&s->spin_lock, flags);
 	runflags = s->runflags;
-	comedi_spin_unlock_irqrestore(&s->spin_lock, flags);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
 	return runflags;
 }
 
···
 		return -ENOMEM;
 	}
 	comedi_device_init(info->device);
-	comedi_spin_lock_irqsave(&comedi_file_info_table_lock, flags);
+	spin_lock_irqsave(&comedi_file_info_table_lock, flags);
 	for (i = 0; i < COMEDI_NUM_BOARD_MINORS; ++i) {
 		if (comedi_file_info_table[i] == NULL) {
 			comedi_file_info_table[i] = info;
 			break;
 		}
 	}
-	comedi_spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
+	spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
 	if (i == COMEDI_NUM_BOARD_MINORS) {
 		comedi_device_cleanup(info->device);
 		kfree(info->device);
···
 	struct comedi_device_file_info *info;
 
 	BUG_ON(minor >= COMEDI_NUM_BOARD_MINORS);
-	comedi_spin_lock_irqsave(&comedi_file_info_table_lock, flags);
+	spin_lock_irqsave(&comedi_file_info_table_lock, flags);
 	info = comedi_file_info_table[minor];
 	comedi_file_info_table[minor] = NULL;
-	comedi_spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
+	spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
 
 	if (info) {
 		struct comedi_device *dev = info->device;
···
 	info->device = dev;
 	info->read_subdevice = s;
 	info->write_subdevice = s;
-	comedi_spin_lock_irqsave(&comedi_file_info_table_lock, flags);
+	spin_lock_irqsave(&comedi_file_info_table_lock, flags);
 	for (i = COMEDI_FIRST_SUBDEVICE_MINOR; i < COMEDI_NUM_MINORS; ++i) {
 		if (comedi_file_info_table[i] == NULL) {
 			comedi_file_info_table[i] = info;
 			break;
 		}
 	}
-	comedi_spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
+	spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
 	if (i == COMEDI_NUM_MINORS) {
 		kfree(info);
 		printk(KERN_ERR "comedi: error: ran out of minor numbers for board device files.\n");
···
 	BUG_ON(s->minor >= COMEDI_NUM_MINORS);
 	BUG_ON(s->minor < COMEDI_FIRST_SUBDEVICE_MINOR);
 
-	comedi_spin_lock_irqsave(&comedi_file_info_table_lock, flags);
+	spin_lock_irqsave(&comedi_file_info_table_lock, flags);
 	info = comedi_file_info_table[s->minor];
 	comedi_file_info_table[s->minor] = NULL;
-	comedi_spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
+	spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
 
 	if (s->class_dev) {
 		device_destroy(comedi_class, MKDEV(COMEDI_MAJOR, s->minor));
···
 	struct comedi_device_file_info *info;
 
 	BUG_ON(minor >= COMEDI_NUM_MINORS);
-	comedi_spin_lock_irqsave(&comedi_file_info_table_lock, flags);
+	spin_lock_irqsave(&comedi_file_info_table_lock, flags);
 	info = comedi_file_info_table[minor];
-	comedi_spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
+	spin_unlock_irqrestore(&comedi_file_info_table_lock, flags);
 	return info;
 }
 

drivers/staging/comedi/drivers.c

···
 
 		block_size = num_bytes - count;
 		if (block_size < 0) {
-			rt_printk("%s: %s: bug! block_size is negative\n",
+			printk("%s: %s: bug! block_size is negative\n",
 				__FILE__, __func__);
 			break;
 		}
···
 {
 	if ((int)(async->buf_write_count + nbytes -
 			async->buf_write_alloc_count) > 0) {
-		rt_printk
-			("comedi: attempted to write-free more bytes than have been write-allocated.\n");
+		printk("comedi: attempted to write-free more bytes than have been write-allocated.\n");
 		nbytes = async->buf_write_alloc_count - async->buf_write_count;
 	}
 	async->buf_write_count += nbytes;
···
 	smp_mb();
 	if ((int)(async->buf_read_count + nbytes -
 			async->buf_read_alloc_count) > 0) {
-		rt_printk
-			("comedi: attempted to read-free more bytes than have been read-allocated.\n");
+		printk("comedi: attempted to read-free more bytes than have been read-allocated.\n");
 		nbytes = async->buf_read_alloc_count - async->buf_read_count;
 	}
 	async->buf_read_count += nbytes;

drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h

···
 				*card = amcc;
 				return 0;	/* ok, card is found */
 			} else {
-				rt_printk(" - \nCard on requested position is used b:s %d:%d!\n",
+				printk(" - \nCard on requested position is used b:s %d:%d!\n",
 					  pci_bus, pci_slot);
 				return 2;	/* card exist but is used */
 			}
···
 		/* use autodetection */
 		card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
 		if (card == NULL) {
-			rt_printk(" - Unused card not found in system!\n");
+			printk(" - Unused card not found in system!\n");
 			return NULL;
 		}
 	} else {
···
 							 pci_bus, pci_slot,
 							 &card)) {
 		case 1:
-			rt_printk(" - Card not found on requested position b:s %d:%d!\n",
+			printk(" - Card not found on requested position b:s %d:%d!\n",
 				  pci_bus, pci_slot);
 			return NULL;
 		case 2:
-			rt_printk(" - Card on requested position is used b:s %d:%d!\n",
+			printk(" - Card on requested position is used b:s %d:%d!\n",
 				  pci_bus, pci_slot);
 			return NULL;
 		}
 	}
 
 	if (pci_card_alloc(card, i_Master) != 0) {
-		rt_printk(" - Can't allocate card!\n");
+		printk(" - Can't allocate card!\n");
 		return NULL;
 
 	}

drivers/staging/comedi/drivers/addi-data/addi_common.c

···
 		v_pci_card_list_init(this_board->i_VendorId, 1);	/* 1 for displaying the list.. */
 		pci_list_builded = 1;
 	}
-	/* rt_printk("comedi%d: addi_common: board=%s",dev->minor,this_board->pc_DriverName); */
+	/* printk("comedi%d: addi_common: board=%s",dev->minor,this_board->pc_DriverName); */
 
 	if ((this_board->i_Dma) && (it->options[2] == 0)) {
 		i_Dma = 1;
···
 	/* ## */
 
 	if (irq > 0) {
-		if (comedi_request_irq(irq, v_ADDI_Interrupt, IRQF_SHARED,
+		if (request_irq(irq, v_ADDI_Interrupt, IRQF_SHARED,
 				c_Identifier, dev) < 0) {
 			printk(", unable to allocate IRQ %u, DISABLING IT",
 				irq);
 			irq = 0;	/* Can't use IRQ */
 		} else {
-			rt_printk("\nirq=%u", irq);
+			printk("\nirq=%u", irq);
 		}
 	} else {
-		rt_printk(", IRQ disabled");
+		printk(", IRQ disabled");
 	}
 
 	printk("\nOption %d %d %d\n", it->options[0], it->options[1],
···
 				}
 			}
 			if (!devpriv->ul_DmaBufferVirtual[0]) {
-				rt_printk
+				printk
 					(", Can't allocate DMA buffer, DMA disabled!");
 				devpriv->us_UseDma = ADDI_DISABLE;
 			}
···
 		}
 
 		if ((devpriv->us_UseDma == ADDI_ENABLE)) {
-			rt_printk("\nDMA ENABLED\n");
+			printk("\nDMA ENABLED\n");
 		} else {
 			printk("\nDMA DISABLED\n");
 		}
···
 		}
 
 		if (dev->irq) {
-			comedi_free_irq(dev->irq, dev);
+			free_irq(dev->irq, dev);
 		}
 
 		if ((devpriv->ps_BoardInfo->pc_EepromChip == NULL)

drivers/staging/comedi/drivers/addi-data/amcc_s5933_58.h

···
 				*card = amcc;
 				return 0;	/*  ok, card is found */
 			} else {
-				rt_printk
+				printk
 				    (" - \nCard on requested position is used b:s %d:%d!\n",
 				     pci_bus, pci_slot);
 				return 2;	/*  card exist but is used */
···
 	if ((pci_bus < 1) & (pci_slot < 1)) {	/*  use autodetection */
 		card = ptr_find_free_pci_card_by_device(vendor_id, device_id);
 		if (card == NULL) {
-			rt_printk(" - Unused card not found in system!\n");
+			printk(" - Unused card not found in system!\n");
 			return NULL;
 		}
 	} else {
···
 							 pci_bus, pci_slot,
 							 &card)) {
 		case 1:
-			rt_printk
+			printk
 			    (" - Card not found on requested position b:s %d:%d!\n",
 			     pci_bus, pci_slot);
 			return NULL;
 		case 2:
-			rt_printk
+			printk
 			    (" - Card on requested position is used b:s %d:%d!\n",
 			     pci_bus, pci_slot);
 			return NULL;
···
 	}
 
 	if (i_pci_card_alloc(card) != 0) {
-		rt_printk(" - Can't allocate card!\n");
+		printk(" - Can't allocate card!\n");
 		return NULL;
 	}
 

drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c

···
 	}
 
 /*
- * out put n values at the given channel. rt_printk("\nwaiting for
+ * out put n values at the given channel. printk("\nwaiting for
  * DA_READY BIT");
  */
 	do			/* Waiting of DA_READY BIT */

drivers/staging/comedi/drivers/adl_pci9111.c

···
 		PCI9111_8254_READ_LOAD_LSB_MSB |
 		PCI9111_8254_MODE_2 | PCI9111_8254_BINARY_COUNTER);
 
-	comedi_udelay(1);
+	udelay(1);
 
 	pci9111_8254_counter_2_set(dev_private->timer_divisor_2);
 	pci9111_8254_counter_1_set(dev_private->timer_divisor_1);
···
 
 	async = subdevice->async;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 
 	/*  Check if we are source of interrupt */
 	intcsr = inb(dev_private->lcr_io_base +
···
 						PLX9050_LINTI2_STATUS))))) {
 		/*  Not the source of the interrupt. */
 		/*  (N.B. not using PLX9050_SOFTWARE_INTERRUPT) */
-		comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+		spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 		return IRQ_NONE;
 	}
 
···
 		/*  Interrupt comes from fifo_half-full signal */
 
 		if (pci9111_is_fifo_full()) {
-			comedi_spin_unlock_irqrestore(&dev->spinlock,
+			spin_unlock_irqrestore(&dev->spinlock,
 				irq_flags);
 			comedi_error(dev, PCI9111_DRIVER_NAME " fifo overflow");
 			pci9111_interrupt_clear();
···
 
 	pci9111_interrupt_clear();
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	comedi_event(dev, subdevice);
 
···
 
 	dev->irq = 0;
 	if (pci_device->irq > 0) {
-		if (comedi_request_irq(pci_device->irq,
-				pci9111_interrupt,
+		if (request_irq(pci_device->irq, pci9111_interrupt,
 				IRQF_SHARED, PCI9111_DRIVER_NAME, dev) != 0) {
 			printk("comedi%d: unable to allocate irq  %u\n",
 				dev->minor, pci_device->irq);
···
 	/*  Release previously allocated irq */
 
 	if (dev->irq != 0) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 
 	if (dev_private != 0 && dev_private->pci_device != 0) {

drivers/staging/comedi/drivers/adl_pci9118.c

···
 
 #undef DPRINTK
 #ifdef PCI9118_EXTDEBUG
-#define DPRINTK(fmt, args...) rt_printk(fmt, ## args)
+#define DPRINTK(fmt, args...) printk(fmt, ## args)
 #else
 #define DPRINTK(fmt, args...)
 #endif
···
 
 	for (n = 0; n < insn->n; n++) {
 		outw(0, dev->iobase + PCI9118_SOFTTRG);	/* start conversion */
-		comedi_udelay(2);
+		udelay(2);
 		timeout = 100;
 		while (timeout--) {
 			if (inl(dev->iobase + PCI9118_ADSTAT) & AdStatus_ADrdy)
 				goto conv_finish;
-			comedi_udelay(1);
+			udelay(1);
 		}
 
 		comedi_error(dev, "A/D insn timeout");
···
 #ifdef PCI9118_PARANOIDCHECK
 	if (devpriv->ai16bits == 0) {
 		if ((sampl & 0x000f) != devpriv->chanlist[s->async->cur_chan]) {	/*  data dropout! */
-			rt_printk
+			printk
 				("comedi: A/D  SAMPL - data dropout: received channel %d, expected %d!\n",
 				sampl & 0x000f,
 				devpriv->chanlist[s->async->cur_chan]);
···
 
 	if (cmd->scan_begin_src == TRIG_TIMER) {
 		tmp = cmd->scan_begin_arg;
-/* rt_printk("S1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
+/* printk("S1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
 		i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1,
 			&divisor2, &cmd->scan_begin_arg,
 			cmd->flags & TRIG_ROUND_MASK);
-/* rt_printk("S2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
+/* printk("S2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
 		if (cmd->scan_begin_arg < this_board->ai_ns_min)
 			cmd->scan_begin_arg = this_board->ai_ns_min;
 		if (tmp != cmd->scan_begin_arg)
···
 		i8253_cascade_ns_to_timer(devpriv->i8254_osc_base, &divisor1,
 			&divisor2, &cmd->convert_arg,
 			cmd->flags & TRIG_ROUND_MASK);
-/* rt_printk("s1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
+/* printk("s1 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
 		if (cmd->convert_arg < this_board->ai_ns_min)
 			cmd->convert_arg = this_board->ai_ns_min;
 		if (tmp != cmd->convert_arg)
···
 					cmd->scan_begin_arg =
 						this_board->ai_ns_min *
 						(cmd->scan_end_arg + 2);
-/* rt_printk("s2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
+/* printk("s2 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
 					err++;
 				}
 			} else {
···
 					cmd->scan_begin_arg =
 						cmd->convert_arg *
 						cmd->chanlist_len;
-/* rt_printk("s3 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
+/* printk("s3 timer1=%u timer2=%u\n",cmd->scan_begin_arg,cmd->convert_arg); */
 					err++;
 				}
 			}
···
 		if (dmalen0 < (devpriv->ai_n_realscanlen << 1)) {
 			/*  uff, too short DMA buffer, disable EOS support! */
 			devpriv->ai_flags &= (~TRIG_WAKE_EOS);
-			rt_printk
+			printk
 				("comedi%d: WAR: DMA0 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
 				dev->minor, dmalen0,
 				devpriv->ai_n_realscanlen << 1);
···
 			if (devpriv->useeoshandle)
 				dmalen0 += 2;
 			if (dmalen0 < 4) {
-				rt_printk
+				printk
 					("comedi%d: ERR: DMA0 buf len bug? (%d<4)\n",
 					dev->minor, dmalen0);
 				dmalen0 = 4;
···
 		if (dmalen1 < (devpriv->ai_n_realscanlen << 1)) {
 			/*  uff, too short DMA buffer, disable EOS support! */
 			devpriv->ai_flags &= (~TRIG_WAKE_EOS);
-			rt_printk
+			printk
 				("comedi%d: WAR: DMA1 buf too short, cann't support TRIG_WAKE_EOS (%d<%d)\n",
 				dev->minor, dmalen1,
 				devpriv->ai_n_realscanlen << 1);
···
 			if (devpriv->useeoshandle)
 				dmalen1 -= 2;
 			if (dmalen1 < 4) {
-				rt_printk
+				printk
 					("comedi%d: ERR: DMA1 buf len bug? (%d<4)\n",
 					dev->minor, dmalen1);
 				dmalen1 = 4;
···
 	outl(devpriv->AdControlReg, dev->iobase + PCI9118_ADCNTRL);
 	devpriv->AdFunctionReg = AdFunction_PDTrg | AdFunction_PETrg;	/*  positive triggers, no S&H, no burst, burst stop, no post trigger, no about trigger, trigger stop */
 	outl(devpriv->AdFunctionReg, dev->iobase + PCI9118_ADFUNC);
-	comedi_udelay(1);
+	udelay(1);
 	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
 	inl(dev->iobase + PCI9118_ADSTAT);	/*  flush A/D and INT status register */
 	inl(dev->iobase + PCI9118_INTSRC);
···
 		return 0;
 	}
 	if ((frontadd + n_chan + backadd) > s->len_chanlist) {
-		rt_printk
+		printk
 			("comedi%d: range/channel list is too long for actual configuration (%d>%d)!",
 			dev->minor, n_chan,
 			s->len_chanlist - frontadd - backadd);
···
 #endif
 #endif
 	outl(0, dev->iobase + PCI9118_SCANMOD);	/*  close scan queue */
-/* comedi_udelay(100);                               important delay, or first sample will be cripled */
+/* udelay(100);                               important delay, or first sample will be cripled */
 
 	DPRINTK("adl_pci9118 EDBG: END: setup_channel_list()\n");
 	return 1;		/*  we can serve this with scan logic */
···
 	outl(0x74, dev->iobase + PCI9118_CNTCTRL);
 	outl(0xb4, dev->iobase + PCI9118_CNTCTRL);
 /* outl(0x30, dev->iobase + PCI9118_CNTCTRL); */
-	comedi_udelay(1);
+	udelay(1);
 
 	if ((mode == 1) || (mode == 2) || (mode == 4)) {
 		outl(divisor2 & 0xff, dev->iobase + PCI9118_CNT2);
···
 	outl(devpriv->ao_data[0], dev->iobase + PCI9118_DA1);	/*  reset A/D outs to 0V */
 	outl(devpriv->ao_data[1], dev->iobase + PCI9118_DA2);
 	outl(0, dev->iobase + PCI9118_DO);	/*  reset digi outs to L */
-	comedi_udelay(10);
+	udelay(10);
 	inl(dev->iobase + PCI9118_AD_DATA);
 	outl(0, dev->iobase + PCI9118_DELFIFO);	/*  flush FIFO */
 	outl(0, dev->iobase + PCI9118_INTSRC);	/*  remove INT requests */
···
 	unsigned char pci_bus, pci_slot, pci_func;
 	u16 u16w;
 
-	rt_printk("comedi%d: adl_pci9118: board=%s", dev->minor,
+	printk("comedi%d: adl_pci9118: board=%s", dev->minor,
 		this_board->name);
 
 	opt_bus = it->options[0];
···
 
 	ret = alloc_private(dev, sizeof(struct pci9118_private));
 	if (ret < 0) {
-		rt_printk(" - Allocation failed!\n");
+		printk(" - Allocation failed!\n");
 		return -ENOMEM;
 	}
 
···
 
 	if (!pcidev) {
 		if (opt_bus || opt_slot) {
-			rt_printk(" - Card at b:s %d:%d %s\n",
+			printk(" - Card at b:s %d:%d %s\n",
 				opt_bus, opt_slot, errstr);
 		} else {
-			rt_printk(" - Card %s\n", errstr);
+			printk(" - Card %s\n", errstr);
 		}
 		return -EIO;
 	}
···
 	iobase_a = pci_resource_start(pcidev, 0);
 	iobase_9 = pci_resource_start(pcidev, 2);
 
-	rt_printk(", b:s:f=%d:%d:%d, io=0x%4lx, 0x%4lx", pci_bus, pci_slot,
+	printk(", b:s:f=%d:%d:%d, io=0x%4lx, 0x%4lx", pci_bus, pci_slot,
 		pci_func, iobase_9, iobase_a);
 
 	dev->iobase = iobase_9;
···
 	if (it->options[3] & 2)
 		irq = 0;	/*  user don't want use IRQ */
 	if (irq > 0) {
-		if (comedi_request_irq(irq, interrupt_pci9118, IRQF_SHARED,
+		if (request_irq(irq, interrupt_pci9118, IRQF_SHARED,
 				"ADLink PCI-9118", dev)) {
-			rt_printk(", unable to allocate IRQ %d, DISABLING IT",
+			printk(", unable to allocate IRQ %d, DISABLING IT",
 				irq);
 			irq = 0;	/* Can't use IRQ */
 		} else {
-			rt_printk(", irq=%u", irq);
+			printk(", irq=%u", irq);
 		}
 	} else {
-		rt_printk(", IRQ disabled");
+		printk(", IRQ disabled");
 	}
 
 	dev->irq = irq;
···
 			}
 		}
 		if (!devpriv->dmabuf_virt[0]) {
-			rt_printk(", Can't allocate DMA buffer, DMA disabled!");
+			printk(", Can't allocate DMA buffer, DMA disabled!");
 			master = 0;
 		}
 
···
 
 	devpriv->master = master;
 	if (devpriv->master)
-		rt_printk(", bus master");
+		printk(", bus master");
 	else
-		rt_printk(", no bus master");
+		printk(", no bus master");
 
 	devpriv->usemux = 0;
 	if (it->options[2] > 0) {
···
 			if (devpriv->usemux > 128) {
 				devpriv->usemux = 128;	/*  max 128 channels with softare S&H! */
 			}
-		rt_printk(", ext. mux %d channels", devpriv->usemux);
+		printk(", ext. mux %d channels", devpriv->usemux);
 	}
 
 	devpriv->softsshdelay = it->options[4];
···
 		devpriv->softsshhold = 0x80;
 	}
 
-	rt_printk(".\n");
+	printk(".\n");
 
 	pci_read_config_word(devpriv->pcidev, PCI_COMMAND, &u16w);
 	pci_write_config_word(devpriv->pcidev, PCI_COMMAND, u16w | 64);	/*  Enable parity check for parity error */
···
 		if (devpriv->valid)
 			pci9118_reset(dev);
 		if (dev->irq)
-			comedi_free_irq(dev->irq, dev);
+			free_irq(dev->irq, dev);
 		if (devpriv->pcidev) {
 			if (dev->iobase) {
 				comedi_pci_disable(devpriv->pcidev);

drivers/staging/comedi/drivers/adq12b.c

···
         channel = CR_CHAN(insn->chanspec);
         if (channel != devpriv->last_channel || range != devpriv->last_range) {
           outb((range << 4) | channel, dev->iobase + ADQ12B_CTREG);
-          comedi_udelay(50);   /* wait for the mux to settle */
+          udelay(50);   /* wait for the mux to settle */
         }
 
         /* trigger conversion */
···
           /* wait for end of convertion */
 	  i = 0;
           do {
-/* comedi_udelay(1); */
+/* udelay(1); */
 	    status = inb(dev->iobase + ADQ12B_STINR);
             status = status & ADQ12B_EOC;
           } while (status == 0 && ++i < TIMEOUT);
···
           hi = inb(dev->iobase + ADQ12B_ADHIG);
           lo = inb(dev->iobase + ADQ12B_ADLOW);
 
-          /* rt_printk("debug: chan=%d range=%d status=%d hi=%d lo=%d\n", channel, range, status,  hi, lo); */
+          /* printk("debug: chan=%d range=%d status=%d hi=%d lo=%d\n", channel, range, status,  hi, lo); */
           data[n] = (hi << 8) | lo;
 
         }

drivers/staging/comedi/drivers/adv_pci1710.c

···
 
 #undef DPRINTK
 #ifdef PCI171X_EXTDEBUG
-#define DPRINTK(fmt, args...) rt_printk(fmt, ## args)
+#define DPRINTK(fmt, args...) printk(fmt, ## args)
 #else
 #define DPRINTK(fmt, args...)
 #endif
···
 		outw(0, dev->iobase + PCI171x_SOFTTRG);	/* start conversion */
 		DPRINTK("adv_pci1710 B n=%d ST=%4x\n", n,
 			inw(dev->iobase + PCI171x_STATUS));
-		/* comedi_udelay(1); */
+		/* udelay(1); */
 		DPRINTK("adv_pci1710 C n=%d ST=%4x\n", n,
 			inw(dev->iobase + PCI171x_STATUS));
 		timeout = 100;
···
 	DPRINTK("adv_pci1710 EDBG: BGN: interrupt_pci1710_every_sample(...)\n");
 	m = inw(dev->iobase + PCI171x_STATUS);
 	if (m & Status_FE) {
-		rt_printk("comedi%d: A/D FIFO empty (%4x)\n", dev->minor, m);
+		printk("comedi%d: A/D FIFO empty (%4x)\n", dev->minor, m);
 		pci171x_ai_cancel(dev, s);
 		s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 		comedi_event(dev, s);
 		return;
 	}
 	if (m & Status_FF) {
-		rt_printk
+		printk
 			("comedi%d: A/D FIFO Full status (Fatal Error!) (%4x)\n",
 			dev->minor, m);
 		pci171x_ai_cancel(dev, s);
···
 		if (this_board->cardtype != TYPE_PCI1713)
 			if ((sampl & 0xf000) !=
 				devpriv->act_chanlist[s->async->cur_chan]) {
-				rt_printk
+				printk
 					("comedi: A/D data dropout: received data from channel %d, expected %d!\n",
 					(sampl & 0xf000) >> 12,
 					(devpriv->act_chanlist[s->async->
···
 		sampl = inw(dev->iobase + PCI171x_AD_DATA);
 		if (this_board->cardtype != TYPE_PCI1713)
 			if ((sampl & 0xf000) != devpriv->act_chanlist[j]) {
-				rt_printk
+				printk
 					("comedi%d: A/D  FIFO data dropout: received data from channel %d, expected %d! (%d/%d/%d/%d/%d/%4x)\n",
 					dev->minor, (sampl & 0xf000) >> 12,
 					(devpriv->
···
 	DPRINTK("adv_pci1710 EDBG: BGN: interrupt_pci1710_half_fifo(...)\n");
 	m = inw(dev->iobase + PCI171x_STATUS);
 	if (!(m & Status_FH)) {
-		rt_printk("comedi%d: A/D FIFO not half full! (%4x)\n",
+		printk("comedi%d: A/D FIFO not half full! (%4x)\n",
 			dev->minor, m);
 		pci171x_ai_cancel(dev, s);
 		s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
···
 		return;
 	}
 	if (m & Status_FF) {
-		rt_printk
+		printk
 			("comedi%d: A/D FIFO Full status (Fatal Error!) (%4x)\n",
 			dev->minor, m);
 		pci171x_ai_cancel(dev, s);
···
 */
 static void pci171x_cmdtest_out(int e, struct comedi_cmd *cmd)
 {
-	rt_printk("adv_pci1710 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
+	printk("adv_pci1710 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
 		cmd->start_src, cmd->scan_begin_src, cmd->convert_src);
-	rt_printk("adv_pci1710 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
+	printk("adv_pci1710 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
 		cmd->start_arg, cmd->scan_begin_arg, cmd->convert_arg);
-	rt_printk("adv_pci1710 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
+	printk("adv_pci1710 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
 		cmd->scan_end_src);
-	rt_printk("adv_pci1710 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n",
+	printk("adv_pci1710 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n",
 		e, cmd->stop_arg, cmd->scan_end_arg, cmd->chanlist_len);
 }
 #endif
···
 	if (n_chan > 1) {
 		chansegment[0] = chanlist[0];	/*  first channel is everytime ok */
 		for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {	/*  build part of chanlist */
-			/*  rt_printk("%d. %d %d\n",i,CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
+			/*  printk("%d. %d %d\n",i,CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
 			if (chanlist[0] == chanlist[i])
 				break;	/*  we detect loop, this must by finish */
 			if (CR_CHAN(chanlist[i]) & 1)	/*  odd channel cann't by differencial */
···
 			if (CR_AREF(chansegment[i - 1]) == AREF_DIFF)
 				nowmustbechan = (nowmustbechan + 1) % s->n_chan;
 			if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continous :-( */
-				rt_printk
+				printk
 					("channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n",
 					i, CR_CHAN(chanlist[i]), nowmustbechan,
 					CR_CHAN(chanlist[0]));
···
 		}
 
 		for (i = 0, segpos = 0; i < n_chan; i++) {	/*  check whole chanlist */
-			/* rt_printk("%d %d=%d %d\n",CR_CHAN(chansegment[i%seglen]),CR_RANGE(chansegment[i%seglen]),CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
+			/* printk("%d %d=%d %d\n",CR_CHAN(chansegment[i%seglen]),CR_RANGE(chansegment[i%seglen]),CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
 			if (chanlist[i] != chansegment[i % seglen]) {
-				rt_printk
+				printk
 					("bad channel, reference or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n",
 					i, CR_CHAN(chansegment[i]),
 					CR_RANGE(chansegment[i]),
···
 	int i;
 	int board_index;
 
-	rt_printk("comedi%d: adv_pci1710: ", dev->minor);
+	printk("comedi%d: adv_pci1710: ", dev->minor);
 
 	opt_bus = it->options[0];
 	opt_slot = it->options[1];
 
 	ret = alloc_private(dev, sizeof(struct pci1710_private));
 	if (ret < 0) {
-		rt_printk(" - Allocation failed!\n");
+		printk(" - Allocation failed!\n");
 		return -ENOMEM;
 	}
 
···
 
 	if (!pcidev) {
 		if (opt_bus || opt_slot) {
-			rt_printk(" - Card at b:s %d:%d %s\n",
+			printk(" - Card at b:s %d:%d %s\n",
 				opt_bus, opt_slot, errstr);
 		} else {
-			rt_printk(" - Card %s\n", errstr);
+			printk(" - Card %s\n", errstr);
 		}
 		return -EIO;
 	}
···
 	irq = pcidev->irq;
 	iobase = pci_resource_start(pcidev, 2);
 
-	rt_printk(", b:s:f=%d:%d:%d, io=0x%4lx", pci_bus, pci_slot, pci_func,
+	printk(", b:s:f=%d:%d:%d, io=0x%4lx", pci_bus, pci_slot, pci_func,
 		iobase);
 
 	dev->iobase = iobase;
···
 
 	ret = alloc_subdevices(dev, n_subdevices);
 	if (ret < 0) {
-		rt_printk(" - Allocation failed!\n");
+		printk(" - Allocation failed!\n");
 		return ret;
 	}
 
···
 
 	if (this_board->have_irq) {
 		if (irq) {
-			if (comedi_request_irq(irq, interrupt_service_pci1710,
+			if (request_irq(irq, interrupt_service_pci1710,
 					IRQF_SHARED, "Advantech PCI-1710",
 					dev)) {
-				rt_printk
+				printk
 					(", unable to allocate IRQ %d, DISABLING IT",
 					irq);
 				irq = 0;	/* Can't use IRQ */
 			} else {
-				rt_printk(", irq=%u", irq);
+				printk(", irq=%u", irq);
 			}
 		} else {
-			rt_printk(", IRQ disabled");
+			printk(", IRQ disabled");
 		}
 	} else {
 		irq = 0;
···
 		if (devpriv->valid)
 			pci1710_reset(dev);
 		if (dev->irq)
-			comedi_free_irq(dev->irq, dev);
+			free_irq(dev->irq, dev);
 		if (devpriv->pcidev) {
 			if (dev->iobase) {
 				comedi_pci_disable(devpriv->pcidev);

drivers/staging/comedi/drivers/adv_pci1723.c

···
 	int opt_bus, opt_slot;
 	const char *errstr;
 
-	rt_printk("comedi%d: adv_pci1723: board=%s", dev->minor,
+	printk("comedi%d: adv_pci1723: board=%s", dev->minor,
 		this_board->name);
 
 	opt_bus = it->options[0];
···
 
 	ret = alloc_private(dev, sizeof(struct pci1723_private));
 	if (ret < 0) {
-		rt_printk(" - Allocation failed!\n");
+		printk(" - Allocation failed!\n");
 		return -ENOMEM;
 	}
 
···
 
 	if (!pcidev) {
 		if (opt_bus || opt_slot) {
-			rt_printk(" - Card at b:s %d:%d %s\n",
+			printk(" - Card at b:s %d:%d %s\n",
 				opt_bus, opt_slot, errstr);
 		} else {
-			rt_printk(" - Card %s\n", errstr);
+			printk(" - Card %s\n", errstr);
 		}
 		return -EIO;
 	}
···
 	pci_func = PCI_FUNC(pcidev->devfn);
 	iobase = pci_resource_start(pcidev, 2);
 
-	rt_printk(", b:s:f=%d:%d:%d, io=0x%4x", pci_bus, pci_slot, pci_func,
+	printk(", b:s:f=%d:%d:%d, io=0x%4x", pci_bus, pci_slot, pci_func,
 		iobase);
 
 	dev->iobase = iobase;
···
 
 	ret = alloc_subdevices(dev, n_subdevices);
 	if (ret < 0) {
-		rt_printk(" - Allocation failed!\n");
+		printk(" - Allocation failed!\n");
 		return ret;
 	}
 

drivers/staging/comedi/drivers/adv_pci_dio.c

···
 
 #undef DPRINTK
 #ifdef PCI_DIO_EXTDEBUG
-#define DPRINTK(fmt, args...) rt_printk(fmt, ## args)
+#define DPRINTK(fmt, args...) printk(fmt, ## args)
 #else
 #define DPRINTK(fmt, args...)
 #endif
···
 				ok = 1;
 				break;
 			}
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (ok)
 			return 0;
···
 	unsigned long iobase;
 	struct pci_dev *pcidev;
 
-	rt_printk("comedi%d: adv_pci_dio: ", dev->minor);
+	printk("comedi%d: adv_pci_dio: ", dev->minor);
 
 	ret = alloc_private(dev, sizeof(struct pci_dio_private));
 	if (ret < 0) {
-		rt_printk(", Error: Cann't allocate private memory!\n");
+		printk(", Error: Cann't allocate private memory!\n");
 		return -ENOMEM;
 	}
 
···
 	}
 
 	if (!dev->board_ptr) {
-		rt_printk
+		printk
 			(", Error: Requested type of the card was not found!\n");
 		return -EIO;
 	}
 
 	if (comedi_pci_enable(pcidev, driver_pci_dio.driver_name)) {
-		rt_printk
+		printk
 			(", Error: Can't enable PCI device and request regions!\n");
 		return -EIO;
 	}
 	iobase = pci_resource_start(pcidev, this_board->main_pci_region);
-	rt_printk(", b:s:f=%d:%d:%d, io=0x%4lx",
+	printk(", b:s:f=%d:%d:%d, io=0x%4lx",
 		pcidev->bus->number, PCI_SLOT(pcidev->devfn),
 		PCI_FUNC(pcidev->devfn), iobase);
 
···
 
 	ret = alloc_subdevices(dev, n_subdevices);
 	if (ret < 0) {
-		rt_printk(", Error: Cann't allocate subdevice memory!\n");
+		printk(", Error: Cann't allocate subdevice memory!\n");
 		return ret;
 	}
 
-	rt_printk(".\n");
+	printk(".\n");
 
 	subdev = 0;
 

drivers/staging/comedi/drivers/aio_aio12_8.c

···
 			!(inb(dev->iobase + AIO12_8_STATUS) & STATUS_ADC_EOC)) {
 			timeout--;
 			printk("timeout %d\n", timeout);
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (timeout == 0) {
 			comedi_error(dev, "ADC timeout");

drivers/staging/comedi/drivers/amplc_dio200.c

···
 
 	subpriv = s->private;
 
-	comedi_spin_lock_irqsave(&subpriv->spinlock, flags);
+	spin_lock_irqsave(&subpriv->spinlock, flags);
 	s->async->inttrig = 0;
 	if (subpriv->active) {
 		event = dio200_start_intr(dev, s);
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
 	if (event) {
 		comedi_event(dev, s);
···
 
 	triggered = 0;
 
-	comedi_spin_lock_irqsave(&subpriv->spinlock, flags);
+	spin_lock_irqsave(&subpriv->spinlock, flags);
 	oldevents = s->async->events;
 	if (subpriv->has_int_sce) {
 		/*
···
 			}
 		}
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
 	if (oldevents != s->async->events) {
 		comedi_event(dev, s);
···
 	struct dio200_subdev_intr *subpriv = s->private;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&subpriv->spinlock, flags);
+	spin_lock_irqsave(&subpriv->spinlock, flags);
 	if (subpriv->active) {
 		dio200_stop_intr(dev, s);
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
 	return 0;
 }
···
 	unsigned long flags;
 	int event = 0;
 
-	comedi_spin_lock_irqsave(&subpriv->spinlock, flags);
+	spin_lock_irqsave(&subpriv->spinlock, flags);
 	subpriv->active = 1;
 
 	/* Set up end of acquisition. */
···
 		event = dio200_start_intr(dev, s);
 		break;
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
 	if (event) {
 		comedi_event(dev, s);
···
 	if (irq) {
 		unsigned long flags = share_irq ? IRQF_SHARED : 0;
 
-		if (comedi_request_irq(irq, dio200_interrupt, flags,
+		if (request_irq(irq, dio200_interrupt, flags,
 				DIO200_DRIVER_NAME, dev) >= 0) {
 			dev->irq = irq;
 		} else {
···
 		DIO200_DRIVER_NAME);
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (dev->subdevices) {
 		layout = thislayout;

drivers/staging/comedi/drivers/amplc_pc236.c

···
 	if (irq) {
 		unsigned long flags = share_irq ? IRQF_SHARED : 0;
 
-		if (comedi_request_irq(irq, pc236_interrupt, flags,
+		if (request_irq(irq, pc236_interrupt, flags,
 				PC236_DRIVER_NAME, dev) >= 0) {
 			dev->irq = irq;
 			s->type = COMEDI_SUBD_DI;
···
 		pc236_intr_disable(dev);
 	}
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (dev->subdevices) {
 		subdev_8255_cleanup(dev, dev->subdevices + 0);
 	}
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->enable_irq = 0;
 #ifdef CONFIG_COMEDI_PCI
 	if (devpriv->lcr_iobase)
 		outl(PCI236_INTR_DISABLE, devpriv->lcr_iobase + PLX9052_INTCSR);
 #endif
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 }
 
 /*
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->enable_irq = 1;
 #ifdef CONFIG_COMEDI_PCI
 	if (devpriv->lcr_iobase)
 		outl(PCI236_INTR_ENABLE, devpriv->lcr_iobase + PLX9052_INTCSR);
 #endif
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 }
 
 /*
···
 	int retval = 0;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	if (devpriv->enable_irq) {
 		retval = 1;
 #ifdef CONFIG_COMEDI_PCI
···
 		}
 #endif
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return retval;
 }

drivers/staging/comedi/drivers/amplc_pci224.c

···
 		return;
 	}
 
-	comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+	spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 	/* Kill the interrupts. */
 	devpriv->intsce = 0;
 	outb(0, devpriv->iobase1 + PCI224_INT_SCE);
···
 	 * routine.
 	 */
 	while (devpriv->intr_running && devpriv->intr_cpuid != THISCPU) {
-		comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
-		comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+	spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 	/* Reconfigure DAC for insn_write usage. */
 	outw(0, dev->iobase + PCI224_DACCEN);	/* Disable channels. */
 	devpriv->daccon = COMBINE(devpriv->daccon,
···
 		comedi_event(dev, s);
 	} else {
 		/* Enable interrupts. */
-		comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 		if (cmd->stop_src == TRIG_EXT) {
 			devpriv->intsce = PCI224_INTR_EXT | PCI224_INTR_DAC;
 		} else {
 			devpriv->intsce = PCI224_INTR_DAC;
 		}
 		outb(devpriv->intsce, devpriv->iobase1 + PCI224_INT_SCE);
-		comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 	}
 }
 
···
 			/* Nothing left to put in the FIFO. */
 			pci224_ao_stop(dev, s);
 			s->async->events |= COMEDI_CB_OVERFLOW;
-			rt_printk(KERN_ERR "comedi%d: "
+			printk(KERN_ERR "comedi%d: "
 				"AO buffer underrun\n", dev->minor);
 		}
 	}
···
 	 */
 	switch (cmd->start_src) {
 	case TRIG_INT:
-		comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 		s->async->inttrig = &pci224_ao_inttrig_start;
-		comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 		break;
 	case TRIG_EXT:
 		/* Enable external interrupt trigger to start acquisition. */
-		comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 		devpriv->intsce |= PCI224_INTR_EXT;
 		outb(devpriv->intsce, devpriv->iobase1 + PCI224_INT_SCE);
-		comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 		break;
 	}
 
···
 	intstat = inb(devpriv->iobase1 + PCI224_INT_SCE) & 0x3F;
 	if (intstat) {
 		retval = 1;
-		comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 		valid_intstat = devpriv->intsce & intstat;
 		/* Temporarily disable interrupt sources. */
 		curenab = devpriv->intsce & ~intstat;
 		outb(curenab, devpriv->iobase1 + PCI224_INT_SCE);
 		devpriv->intr_running = 1;
 		devpriv->intr_cpuid = THISCPU;
-		comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 		if (valid_intstat != 0) {
 			cmd = &s->async->cmd;
 			if (valid_intstat & PCI224_INTR_EXT) {
···
 			}
 		}
 		/* Reenable interrupt sources. */
-		comedi_spin_lock_irqsave(&devpriv->ao_spinlock, flags);
+		spin_lock_irqsave(&devpriv->ao_spinlock, flags);
 		if (curenab != devpriv->intsce) {
 			outb(devpriv->intsce,
 				devpriv->iobase1 + PCI224_INT_SCE);
 		}
 		devpriv->intr_running = 0;
-		comedi_spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
+		spin_unlock_irqrestore(&devpriv->ao_spinlock, flags);
 	}
 	return IRQ_RETVAL(retval);
 }
···
 	dev->board_name = thisboard->name;
 
 	if (irq) {
-		ret = comedi_request_irq(irq, pci224_interrupt, IRQF_SHARED,
-			DRIVER_NAME, dev);
+		ret = request_irq(irq, pci224_interrupt, IRQF_SHARED,
+				  DRIVER_NAME, dev);
 		if (ret < 0) {
 			printk(KERN_ERR "comedi%d: error! "
 				"unable to allocate irq %u\n", dev->minor, irq);
···
 	printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor, DRIVER_NAME);
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (dev->subdevices) {
 		struct comedi_subdevice *s;

drivers/staging/comedi/drivers/amplc_pci230.c

···
 		dev->iobase + PCI230_ADCCON);
 
 	/* Register the interrupt handler. */
-	irq_hdl = comedi_request_irq(devpriv->pci_dev->irq, pci230_interrupt,
-		IRQF_SHARED, "amplc_pci230", dev);
+	irq_hdl = request_irq(devpriv->pci_dev->irq, pci230_interrupt,
+			      IRQF_SHARED, "amplc_pci230", dev);
 	if (irq_hdl < 0) {
 		printk("comedi%d: unable to register irq, "
 			"commands will not be available %d\n", dev->minor,
···
 		subdev_8255_cleanup(dev, dev->subdevices + 2);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (devpriv) {
 		if (devpriv->pci_dev) {
···
 
 	ok = 1;
 	claimed = 0;
-	comedi_spin_lock_irqsave(&devpriv->res_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->res_spinlock, irqflags);
 	for (b = 1, i = 0; (i < NUM_RESOURCES)
 		&& (res_mask != 0); b <<= 1, i++) {
 		if ((res_mask & b) != 0) {
···
 			}
 		}
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->res_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->res_spinlock, irqflags);
 	return ok;
 }
 
···
 	unsigned int b;
 	unsigned long irqflags;
 
-	comedi_spin_lock_irqsave(&devpriv->res_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->res_spinlock, irqflags);
 	for (b = 1, i = 0; (i < NUM_RESOURCES)
 		&& (res_mask != 0); b <<= 1, i++) {
 		if ((res_mask & b) != 0) {
···
 			}
 		}
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->res_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->res_spinlock, irqflags);
 }
 
 static inline void put_one_resource(struct comedi_device *dev, unsigned int resource,
···
 			status = inw(dev->iobase + PCI230_ADCCON);
 			if (!(status & PCI230_ADC_FIFO_EMPTY))
 				break;
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (i == TIMEOUT) {
-			/* rt_printk() should be used instead of printk()
+			/* printk() should be used instead of printk()
 			 * whenever the code can be called from real-time. */
-			rt_printk("timeout\n");
+			printk("timeout\n");
 			return -ETIMEDOUT;
 		}
 
···
 	if (trig_num != 0)
 		return -EINVAL;
 
-	comedi_spin_lock_irqsave(&devpriv->ao_stop_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->ao_stop_spinlock, irqflags);
 	if (test_bit(AO_CMD_STARTED, &devpriv->state)) {
 		/* Perform scan. */
 		if (devpriv->hwver < 2) {
 			/* Not using DAC FIFO. */
-			comedi_spin_unlock_irqrestore(&devpriv->
+			spin_unlock_irqrestore(&devpriv->
 				ao_stop_spinlock, irqflags);
 			pci230_handle_ao_nofifo(dev, s);
 			comedi_event(dev, s);
···
 			/* Using DAC FIFO. */
 			/* Read DACSWTRIG register to trigger conversion. */
 			inw(dev->iobase + PCI230P2_DACSWTRIG);
-			comedi_spin_unlock_irqrestore(&devpriv->
+			spin_unlock_irqrestore(&devpriv->
 				ao_stop_spinlock, irqflags);
 		}
 		/* Delay.  Should driver be responsible for this? */
 		/* XXX TODO: See if DAC busy bit can be used. */
-		comedi_udelay(8);
+		udelay(8);
 	}
 
 	return 1;
···
 			if (devpriv->hwver < 2) {
 				/* Not using DAC FIFO. */
 				/* Enable CT1 timer interrupt. */
-				comedi_spin_lock_irqsave(&devpriv->isr_spinlock,
+				spin_lock_irqsave(&devpriv->isr_spinlock,
 					irqflags);
 				devpriv->int_en |= PCI230_INT_ZCLK_CT1;
 				devpriv->ier |= PCI230_INT_ZCLK_CT1;
 				outb(devpriv->ier,
 					devpriv->iobase1 + PCI230_INT_SCE);
-				comedi_spin_unlock_irqrestore(&devpriv->
+				spin_unlock_irqrestore(&devpriv->
 					isr_spinlock, irqflags);
 			}
 			/* Set CT1 gate high to start counting. */
···
 		}
 		if (devpriv->hwver >= 2) {
 			/* Using DAC FIFO.  Enable DAC FIFO interrupt. */
-			comedi_spin_lock_irqsave(&devpriv->isr_spinlock,
+			spin_lock_irqsave(&devpriv->isr_spinlock,
 				irqflags);
 			devpriv->int_en |= PCI230P2_INT_DAC;
 			devpriv->ier |= PCI230P2_INT_DAC;
 			outb(devpriv->ier, devpriv->iobase1 + PCI230_INT_SCE);
-			comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock,
+			spin_unlock_irqrestore(&devpriv->isr_spinlock,
 				irqflags);
 		}
 	}
···
 	if (trig_num != 0)
 		return -EINVAL;
 
-	comedi_spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
 	if (test_bit(AI_CMD_STARTED, &devpriv->state)) {
 		unsigned int delayus;
 
···
 			/* single-ended or PCI230+/260+ */
 			delayus = 4;
 		}
-		comedi_spin_unlock_irqrestore(&devpriv->ai_stop_spinlock,
+		spin_unlock_irqrestore(&devpriv->ai_stop_spinlock,
 			irqflags);
-		comedi_udelay(delayus);
+		udelay(delayus);
 	} else {
-		comedi_spin_unlock_irqrestore(&devpriv->ai_stop_spinlock,
+		spin_unlock_irqrestore(&devpriv->ai_stop_spinlock,
 			irqflags);
 	}
 
···
 	if (trig_num != 0)
 		return -EINVAL;
 
-	comedi_spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
 	if (test_bit(AI_CMD_STARTED, &devpriv->state)) {
 		/* Trigger scan by waggling CT0 gate source. */
 		zgat = GAT_CONFIG(0, GAT_GND);
···
 		zgat = GAT_CONFIG(0, GAT_VCC);
 		outb(zgat, devpriv->iobase1 + PCI230_ZGAT_SCE);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->ai_stop_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->ai_stop_spinlock, irqflags);
 
 	return 1;
 }
···
 		comedi_event(dev, s);
 	} else {
 		/* Enable ADC FIFO trigger level interrupt. */
-		comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+		spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 		devpriv->int_en |= PCI230_INT_ADC;
 		devpriv->ier |= PCI230_INT_ADC;
 		outb(devpriv->ier, devpriv->iobase1 + PCI230_INT_SCE);
-		comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+		spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
 
 		/* Update conversion trigger source which is currently set
 		 * to CT2 output, which is currently stuck high. */
···
 	 * FIFO reset (above) and the second FIFO reset (below). Setting the
 	 * channel gains and scan list _before_ the first FIFO reset also
 	 * helps, though only slightly. */
-	comedi_udelay(25);
+	udelay(25);
 
 	/* Reset FIFO again. */
 	outw(adccon | PCI230_ADC_FIFO_RESET, dev->iobase + PCI230_ADCCON);
···
 		return IRQ_NONE;
 	}
 
-	comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	valid_status_int = devpriv->int_en & status_int;
 	/* Disable triggered interrupts.
 	 * (Only those interrupts that need re-enabling, are, later in the
···
 	outb(devpriv->ier, devpriv->iobase1 + PCI230_INT_SCE);
 	devpriv->intr_running = 1;
 	devpriv->intr_cpuid = THISCPU;
-	comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
 
 	/*
 	 * Check the source of interrupt and handle it.
···
 	}
 
 	/* Reenable interrupts. */
-	comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	if (devpriv->ier != devpriv->int_en) {
 		devpriv->ier = devpriv->int_en;
 		outb(devpriv->ier, devpriv->iobase1 + PCI230_INT_SCE);
 	}
 	devpriv->intr_running = 0;
-	comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
 
 	return IRQ_HANDLED;
 }
···
 	int started;
 	struct comedi_cmd *cmd;
 
-	comedi_spin_lock_irqsave(&devpriv->ao_stop_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->ao_stop_spinlock, irqflags);
 	started = test_and_clear_bit(AO_CMD_STARTED, &devpriv->state);
-	comedi_spin_unlock_irqrestore(&devpriv->ao_stop_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->ao_stop_spinlock, irqflags);
 	if (!started) {
 		return;
 	}
···
 	}
 	/* Disable interrupt and wait for interrupt routine to finish running
 	 * unless we are called from the interrupt routine. */
-	comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	devpriv->int_en &= ~intsrc;
 	while (devpriv->intr_running && devpriv->intr_cpuid != THISCPU) {
-		comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
-		comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+		spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+		spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	}
 	if (devpriv->ier != devpriv->int_en) {
 		devpriv->ier = devpriv->int_en;
 		outb(devpriv->ier, devpriv->iobase1 + PCI230_INT_SCE);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
 
 	if (devpriv->hwver >= 2) {
 		/* Using DAC FIFO.  Reset FIFO, clear underrun error,
···
 	struct comedi_cmd *cmd;
 	int started;
 
-	comedi_spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->ai_stop_spinlock, irqflags);
 	started = test_and_clear_bit(AI_CMD_STARTED, &devpriv->state);
-	comedi_spin_unlock_irqrestore(&devpriv->ai_stop_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->ai_stop_spinlock, irqflags);
 	if (!started) {
 		return;
 	}
···
 		pci230_cancel_ct(dev, 0);
 	}
 
-	comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+	spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	/* Disable ADC interrupt and wait for interrupt routine to finish
 	 * running unless we are called from the interrupt routine. */
 	devpriv->int_en &= ~PCI230_INT_ADC;
 	while (devpriv->intr_running && devpriv->intr_cpuid != THISCPU) {
-		comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
-		comedi_spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
+		spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+		spin_lock_irqsave(&devpriv->isr_spinlock, irqflags);
 	}
 	if (devpriv->ier != devpriv->int_en) {
 		devpriv->ier = devpriv->int_en;
 		outb(devpriv->ier, devpriv->iobase1 + PCI230_INT_SCE);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
+	spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
 
 	/* Reset FIFO, disable FIFO and set start conversion source to none.
 	 * Keep se/diff and bip/uni settings */

drivers/staging/comedi/drivers/cb_das16_cs.c

···
 	}
 	printk("\n");
 
-	ret = comedi_request_irq(link->irq.AssignedIRQ, das16cs_interrupt,
-		IRQF_SHARED, "cb_das16_cs", dev);
+	ret = request_irq(link->irq.AssignedIRQ, das16cs_interrupt,
+			  IRQF_SHARED, "cb_das16_cs", dev);
 	if (ret < 0) {
 		return ret;
 	}
···
 	printk("comedi%d: das16cs: remove\n", dev->minor);
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 
 	return 0;
···
 		d = data[i];
 
 		outw(devpriv->status1, dev->iobase + 4);
-		comedi_udelay(1);
+		udelay(1);
 
 		status1 = devpriv->status1 & ~0xf;
 		if (chan)
···
 
 /* 		printk("0x%04x\n",status1);*/
 		outw(status1, dev->iobase + 4);
-		comedi_udelay(1);
+		udelay(1);
 
 		for (bit = 15; bit >= 0; bit--) {
 			int b = (d >> bit) & 0x1;
 			b <<= 1;
 /*			printk("0x%04x\n",status1 | b | 0x0000);*/
 			outw(status1 | b | 0x0000, dev->iobase + 4);
-			comedi_udelay(1);
+			udelay(1);
 /*			printk("0x%04x\n",status1 | b | 0x0004);*/
 			outw(status1 | b | 0x0004, dev->iobase + 4);
-			comedi_udelay(1);
+			udelay(1);
 		}
 /*		make high both DAC0CS and DAC1CS to load
 		new data and update analog output*/

drivers/staging/comedi/drivers/cb_pcidas.c

···
 		devpriv->s5933_config + AMCC_OP_REG_INTCSR);
 
 	/*  get irq */
-	if (comedi_request_irq(devpriv->pci_dev->irq, cb_pcidas_interrupt,
+	if (request_irq(devpriv->pci_dev->irq, cb_pcidas_interrupt,
 			IRQF_SHARED, "cb_pcidas", dev)) {
 		printk(" unable to allocate irq %d\n", devpriv->pci_dev->irq);
 		return -EINVAL;
···
 			outl(INTCSR_INBOX_INTR_STATUS,
 				devpriv->s5933_config + AMCC_OP_REG_INTCSR);
 #ifdef CB_PCIDAS_DEBUG
-			rt_printk("detaching, incsr is 0x%x\n",
+			printk("detaching, incsr is 0x%x\n",
 				inl(devpriv->s5933_config +
 					AMCC_OP_REG_INTCSR));
 #endif
 		}
 	}
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (dev->subdevices)
 		subdev_8255_cleanup(dev, dev->subdevices + 2);
 	if (devpriv && devpriv->pci_dev) {
···
 
 	/*  set channel and range */
 	channel = CR_CHAN(insn->chanspec);
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->ao_control_bits &=
 		~DAC_MODE_UPDATE_BOTH & ~DAC_RANGE_MASK(channel);
 	devpriv->ao_control_bits |=
 		DACEN | DAC_RANGE(channel, CR_RANGE(insn->chanspec));
 	outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  remember value for readback */
 	devpriv->ao_value[channel] = data[0];
···
 
 	/*  set channel and range */
 	channel = CR_CHAN(insn->chanspec);
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->ao_control_bits &=
 		~DAC_CHAN_EN(0) & ~DAC_CHAN_EN(1) & ~DAC_RANGE_MASK(channel) &
 		~DAC_PACER_MASK;
···
 		DACEN | DAC_RANGE(channel,
 		CR_RANGE(insn->chanspec)) | DAC_CHAN_EN(channel) | DAC_START;
 	outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  remember value for readback */
 	devpriv->ao_value[channel] = data[0];
···
 
 	outw(cal_enable_bits(dev) | (value & 0xff),
 		devpriv->control_status + CALIBRATION_REG);
-	comedi_udelay(1);
+	udelay(1);
 	outw(cal_enable_bits(dev) | SELECT_DAC08_BIT | (value & 0xff),
 		devpriv->control_status + CALIBRATION_REG);
-	comedi_udelay(1);
+	udelay(1);
 	outw(cal_enable_bits(dev) | (value & 0xff),
 		devpriv->control_status + CALIBRATION_REG);
-	comedi_udelay(1);
+	udelay(1);
 
 	return 1;
 }
···
 	outw(bits, devpriv->control_status + ADCMUX_CONT);
 
 #ifdef CB_PCIDAS_DEBUG
-	rt_printk("comedi: sent 0x%x to adcmux control\n", bits);
+	printk("comedi: sent 0x%x to adcmux control\n", bits);
 #endif
 
 	/*  load counters */
···
 		devpriv->count = cmd->chanlist_len * cmd->stop_arg;
 	}
 	/*  enable interrupts */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->adc_fifo_bits |= INTE;
 	devpriv->adc_fifo_bits &= ~INT_MASK;
 	if (cmd->flags & TRIG_WAKE_EOS) {
···
 		devpriv->adc_fifo_bits |= INT_FHF;	/* interrupt fifo half full */
 	}
 #ifdef CB_PCIDAS_DEBUG
-	rt_printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits);
+	printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits);
 #endif
 	/*  enable (and clear) interrupts */
 	outw(devpriv->adc_fifo_bits | EOAI | INT | LADFUL,
 		devpriv->control_status + INT_ADCFIFO);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  set start trigger and burst mode */
 	bits = 0;
···
 		bits |= BURSTE;
 	outw(bits, devpriv->control_status + TRIG_CONTSTAT);
 #ifdef CB_PCIDAS_DEBUG
-	rt_printk("comedi: sent 0x%x to trig control\n", bits);
+	printk("comedi: sent 0x%x to trig control\n", bits);
 #endif
 
 	return 0;
···
 	unsigned long flags;
 
 	/*  set channel limits, gain */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	for (i = 0; i < cmd->chanlist_len; i++) {
 		/*  enable channel */
 		devpriv->ao_control_bits |=
···
 
 	/*  disable analog out before settings pacer source and count values */
 	outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  clear fifo */
 	outw(0, devpriv->ao_registers + DACFIFOCLR);
···
 		devpriv->ao_count = cmd->chanlist_len * cmd->stop_arg;
 	}
 	/*  set pacer source */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	switch (cmd->scan_begin_src) {
 	case TRIG_TIMER:
 		devpriv->ao_control_bits |= DAC_PACER_INT;
···
 		devpriv->ao_control_bits |= DAC_PACER_EXT_RISE;
 		break;
 	default:
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		comedi_error(dev, "error setting dac pacer source");
 		return -1;
 		break;
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	async->inttrig = cb_pcidas_ao_inttrig;
 
···
 	outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer, num_bytes);
 
 	/*  enable dac half-full and empty interrupts */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->adc_fifo_bits |= DAEMIE | DAHFIE;
 #ifdef CB_PCIDAS_DEBUG
-	rt_printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits);
+	printk("comedi: adc_fifo_bits are 0x%x\n", devpriv->adc_fifo_bits);
 #endif
 	/*  enable and clear interrupts */
 	outw(devpriv->adc_fifo_bits | DAEMI | DAHFI,
···
 	devpriv->ao_control_bits |= DAC_START | DACEN | DAC_EMPTY;
 	outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR);
 #ifdef CB_PCIDAS_DEBUG
-	rt_printk("comedi: sent 0x%x to dac control\n",
+	printk("comedi: sent 0x%x to dac control\n",
 		devpriv->ao_control_bits);
 #endif
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	async->inttrig = NULL;
 
···
 
 	s5933_status = inl(devpriv->s5933_config + AMCC_OP_REG_INTCSR);
 #ifdef CB_PCIDAS_DEBUG
-	rt_printk("intcsr 0x%x\n", s5933_status);
-	rt_printk("mbef 0x%x\n", inl(devpriv->s5933_config + AMCC_OP_REG_MBEF));
+	printk("intcsr 0x%x\n", s5933_status);
+	printk("mbef 0x%x\n", inl(devpriv->s5933_config + AMCC_OP_REG_MBEF));
 #endif
 
 	if ((INTCSR_INTR_ASSERTED & s5933_status) == 0)
···
 			cb_pcidas_cancel(dev, s);
 		}
 		/*  clear half-full interrupt latch */
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | INT,
 			devpriv->control_status + INT_ADCFIFO);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		/*  else if fifo not empty */
 	} else if (status & (ADNEI | EOBI)) {
 		for (i = 0; i < timeout; i++) {
···
 			}
 		}
 		/*  clear not-empty interrupt latch */
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | INT,
 			devpriv->control_status + INT_ADCFIFO);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 	} else if (status & EOAI) {
 		comedi_error(dev,
 			"bug! encountered end of aquisition interrupt?");
 		/*  clear EOA interrupt latch */
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | EOAI,
 			devpriv->control_status + INT_ADCFIFO);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 	}
 	/* check for fifo overflow */
 	if (status & LADFUL) {
 		comedi_error(dev, "fifo overflow");
 		/*  clear overflow interrupt latch */
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | LADFUL,
 			devpriv->control_status + INT_ADCFIFO);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		cb_pcidas_cancel(dev, s);
 		async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 	}
···
 
 	if (status & DAEMI) {
 		/*  clear dac empty interrupt latch */
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | DAEMI,
 			devpriv->control_status + INT_ADCFIFO);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		if (inw(devpriv->ao_registers + DAC_CSR) & DAC_EMPTY) {
 			if (cmd->stop_src == TRIG_NONE ||
 				(cmd->stop_src == TRIG_COUNT
···
 		outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer,
 			num_points);
 		/*  clear half-full interrupt latch */
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		outw(devpriv->adc_fifo_bits | DAHFI,
 			devpriv->control_status + INT_ADCFIFO);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 	}
 
 	comedi_event(dev, s);
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	/*  disable interrupts */
 	devpriv->adc_fifo_bits &= ~INTE & ~EOAIE;
 	outw(devpriv->adc_fifo_bits, devpriv->control_status + INT_ADCFIFO);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  disable start trigger source and burst mode */
 	outw(0, devpriv->control_status + TRIG_CONTSTAT);
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	/*  disable interrupts */
 	devpriv->adc_fifo_bits &= ~DAHFIE & ~DAEMIE;
 	outw(devpriv->adc_fifo_bits, devpriv->control_status + INT_ADCFIFO);
···
 	/*  disable output */
 	devpriv->ao_control_bits &= ~DACEN & ~DAC_PACER_MASK;
 	outw(devpriv->ao_control_bits, devpriv->control_status + DAC_CSR);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return 0;
 }
···
 			register_bits |= SERIAL_DATA_IN_BIT;
 		else
 			register_bits &= ~SERIAL_DATA_IN_BIT;
-		comedi_udelay(write_delay);
+		udelay(write_delay);
 		outw(register_bits, devpriv->control_status + CALIBRATION_REG);
 	}
 }
···
 	static const int num_caldac_channels = 8;
 	static const int bitstream_length = 11;
 	unsigned int bitstream = ((address & 0x7) << 8) | value;
-	static const int caldac_8800_comedi_udelay = 1;
+	static const int caldac_8800_udelay = 1;
 
 	if (address >= num_caldac_channels) {
 		comedi_error(dev, "illegal caldac channel");
···
 	write_calibration_bitstream(dev, cal_enable_bits(dev), bitstream,
 		bitstream_length);
 
-	comedi_udelay(caldac_8800_comedi_udelay);
+	udelay(caldac_8800_udelay);
 	outw(cal_enable_bits(dev) | SELECT_8800_BIT,
 		devpriv->control_status + CALIBRATION_REG);
-	comedi_udelay(caldac_8800_comedi_udelay);
+	udelay(caldac_8800_udelay);
 	outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG);
 
 	return 1;
···
 	static const int bitstream_length = 7;
 	unsigned int bitstream = value & 0x7f;
 	unsigned int register_bits;
-	static const int ad7376_comedi_udelay = 1;
+	static const int ad7376_udelay = 1;
 
 	register_bits = cal_enable_bits(dev) | SELECT_TRIMPOT_BIT;
-	comedi_udelay(ad7376_comedi_udelay);
+	udelay(ad7376_udelay);
 	outw(register_bits, devpriv->control_status + CALIBRATION_REG);
 
 	write_calibration_bitstream(dev, register_bits, bitstream,
 		bitstream_length);
 
-	comedi_udelay(ad7376_comedi_udelay);
+	udelay(ad7376_udelay);
 	outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG);
 
 	return 0;
···
 	static const int bitstream_length = 10;
 	unsigned int bitstream = ((channel & 0x3) << 8) | (value & 0xff);
 	unsigned int register_bits;
-	static const int ad8402_comedi_udelay = 1;
+	static const int ad8402_udelay = 1;
 
 	register_bits = cal_enable_bits(dev) | SELECT_TRIMPOT_BIT;
-	comedi_udelay(ad8402_comedi_udelay);
+	udelay(ad8402_udelay);
 	outw(register_bits, devpriv->control_status + CALIBRATION_REG);
 
 	write_calibration_bitstream(dev, register_bits, bitstream,
 		bitstream_length);
 
-	comedi_udelay(ad8402_comedi_udelay);
+	udelay(ad8402_udelay);
 	outw(cal_enable_bits(dev), devpriv->control_status + CALIBRATION_REG);
 
 	return 0;
···
 					AMCC_OP_REG_MCSR_NVCMD) & MCSR_NV_BUSY)
 			== 0)
 			return 0;
-		comedi_udelay(1);
+		udelay(1);
 	}
 	return -1;
 }

drivers/staging/comedi/drivers/cb_pcidas64.c

···
 /* #define PCIDAS64_DEBUG         enable debugging code */
 
 #ifdef PCIDAS64_DEBUG
-#define DEBUG_PRINT(format, args...)  rt_printk(format , ## args)
+#define DEBUG_PRINT(format, args...)  printk(format , ## args)
 #else
 #define DEBUG_PRINT(format, args...)
 #endif
···
 	uint16_t bits;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	/*  bit should be set for 6025, although docs say boards with <= 16 chans should be cleared XXX */
 	if (1)
···
 	writew(0, priv(dev)->main_iobase + DAQ_SYNC_REG);
 	writew(0, priv(dev)->main_iobase + CALIBRATION_REG);
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  set fifos to maximum size */
 	priv(dev)->fifo_size_bits |= DAC_FIFO_BITS;
···
 	init_plx9080(dev);
 	init_stc_registers(dev);
 	/*  get irq */
-	if (comedi_request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED,
+	if (request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED,
 			"cb_pcidas64", dev)) {
 		printk(" unable to allocate irq %u\n", pcidev->irq);
 		return -EINVAL;
···
 	printk("comedi%d: cb_pcidas: remove\n", dev->minor);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (priv(dev)) {
 		if (priv(dev)->hw_dev) {
 			if (priv(dev)->plx9080_iobase) {
···
 	/*  4020 generates dac done interrupts even though they are disabled */
 	disable_ai_pacing(dev);
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	if (insn->chanspec & CR_ALT_FILTER)
 		priv(dev)->adc_control1_bits |= ADC_DITHER_BIT;
 	else
 		priv(dev)->adc_control1_bits &= ~ADC_DITHER_BIT;
 	writew(priv(dev)->adc_control1_bits,
 		priv(dev)->main_iobase + ADC_CONTROL1_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	if (board(dev)->layout != LAYOUT_4020) {
 		/*  use internal queue */
···
 				if (pipe_full_bits(bits))
 					break;
 			}
-			comedi_udelay(1);
+			udelay(1);
 		}
 		DEBUG_PRINT(" looped %i times waiting for data\n", i);
 		if (i == timeout) {
 			comedi_error(dev, " analog input read insn timed out");
-			rt_printk(" status 0x%x\n", bits);
+			printk(" status 0x%x\n", bits);
 			return -ETIME;
 		}
 		if (board(dev)->layout == LAYOUT_4020)
···
 
 	disable_ai_interrupts(dev);
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	priv(dev)->adc_control1_bits &= ~ADC_SW_GATE_BIT;
 	writew(priv(dev)->adc_control1_bits,
 		priv(dev)->main_iobase + ADC_CONTROL1_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/* disable pacing, triggering, etc */
 	writew(ADC_DMA_DISABLE_BIT | ADC_SOFT_GATE_BITS | ADC_GATE_LEVEL_BIT,
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	priv(dev)->intr_enable_bits &=
 		~EN_ADC_INTR_SRC_BIT & ~EN_ADC_DONE_INTR_BIT &
 		~EN_ADC_ACTIVE_INTR_BIT & ~EN_ADC_STOP_INTR_BIT &
 		~EN_ADC_OVERRUN_BIT & ~ADC_INTR_SRC_MASK;
 	writew(priv(dev)->intr_enable_bits,
 		priv(dev)->main_iobase + INTR_ENABLE_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	DEBUG_PRINT("intr enable bits 0x%x\n", priv(dev)->intr_enable_bits);
 }
···
 		if (board(dev)->layout != LAYOUT_4020)
 			bits |= ADC_INTR_EOSCAN_BITS | EN_ADC_INTR_SRC_BIT;
 	}
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	priv(dev)->intr_enable_bits |= bits;
 	writew(priv(dev)->intr_enable_bits,
 		priv(dev)->main_iobase + INTR_ENABLE_REG);
 	DEBUG_PRINT("intr enable bits 0x%x\n", priv(dev)->intr_enable_bits);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 }
 
 static uint32_t ai_convert_counter_6xxx(const struct comedi_device *dev,
···
 	unsigned long flags;
 
 	/*  spinlock for plx dma control/status reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	if (channel)
 		writeb(PLX_DMA_EN_BIT | PLX_DMA_START_BIT |
 			PLX_CLEAR_DMA_INTR_BIT,
···
 		writeb(PLX_DMA_EN_BIT | PLX_DMA_START_BIT |
 			PLX_CLEAR_DMA_INTR_BIT,
 			priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 }
 
 static void set_ai_pacing(struct comedi_device *dev, struct comedi_cmd *cmd)
···
 
 	enable_ai_interrupts(dev, cmd);
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	/* set mode, allow conversions through software gate */
 	priv(dev)->adc_control1_bits |= ADC_SW_GATE_BIT;
 	priv(dev)->adc_control1_bits &= ~ADC_DITHER_BIT;
···
 	writew(priv(dev)->adc_control1_bits,
 		priv(dev)->main_iobase + ADC_CONTROL1_REG);
 	DEBUG_PRINT("control1 bits 0x%x\n", priv(dev)->adc_control1_bits);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  clear adc buffer */
 	writew(0, priv(dev)->main_iobase + ADC_BUFFER_CLEAR_REG);
···
 		writew(bits, priv(dev)->main_iobase + DAQ_ATRIG_LOW_4020_REG);
 	}
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	/* enable pacing, triggering, etc */
 	bits = ADC_ENABLE_BIT | ADC_SOFT_GATE_BITS | ADC_GATE_LEVEL_BIT;
···
 
 	priv(dev)->ai_cmd_running = 1;
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  start aquisition */
 	if (cmd->start_src == TRIG_NOW) {
···
 		}
 
 		if (num_samples < 0) {
-			rt_printk(" cb_pcidas64: bug! num_samples < 0\n");
+			printk(" cb_pcidas64: bug! num_samples < 0\n");
 			break;
 		}
 
···
 		async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 	}
 	/*  spin lock makes sure noone else changes plx dma control reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	dma1_status = readb(priv(dev)->plx9080_iobase + PLX_DMA1_CS_REG);
 	if (plx_status & ICS_DMA1_A) {	/*  dma chan 1 interrupt */
 		writeb((dma1_status & PLX_DMA_EN_BIT) | PLX_CLEAR_DMA_INTR_BIT,
···
 		}
 		DEBUG_PRINT(" cleared dma ch1 interrupt\n");
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	if (status & ADC_DONE_BIT)
 		DEBUG_PRINT("adc done interrupt\n");
···
 			(status & ADC_INTR_PENDING_BIT) &&
 			(board(dev)->layout != LAYOUT_4020))) {
 		DEBUG_PRINT("pio fifo drain\n");
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 		if (priv(dev)->ai_cmd_running) {
-			comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+			spin_unlock_irqrestore(&dev->spinlock, flags);
 			pio_drain_ai_fifo(dev);
 		} else
-			comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+			spin_unlock_irqrestore(&dev->spinlock, flags);
 	}
 	/*  if we are have all the data, then quit */
 	if ((cmd->stop_src == TRIG_COUNT && priv(dev)->ai_count <= 0) ||
···
 	cmd = &async->cmd;
 
 	/*  spin lock makes sure noone else changes plx dma control reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	dma0_status = readb(priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
 	if (plx_status & ICS_DMA0_A) {	/*  dma chan 0 interrupt */
 		if ((dma0_status & PLX_DMA_EN_BIT)
···
 		else
 			writeb(PLX_CLEAR_DMA_INTR_BIT,
 				priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		DEBUG_PRINT("dma0 status 0x%x\n", dma0_status);
 		if (dma0_status & PLX_DMA_EN_BIT) {
 			load_ao_dma(dev, cmd);
···
 		}
 		DEBUG_PRINT(" cleared dma ch0 interrupt\n");
 	} else
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	if ((status & DAC_DONE_BIT)) {
 		async->events |= COMEDI_CB_EOA;
···
 	unsigned long flags;
 
 	/*  spinlock for plx dma control/status reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	plx9080_abort_dma(priv(dev)->plx9080_iobase, channel);
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 }
 
 static int ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	if (priv(dev)->ai_cmd_running == 0) {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		return 0;
 	}
 	priv(dev)->ai_cmd_running = 0;
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	disable_ai_pacing(dev);
 
···
 	static const int bitstream_length = 10;
 	unsigned int bit, register_bits;
 	unsigned int bitstream = ((channel & 0x3) << 8) | (value & 0xff);
-	static const int ad8402_comedi_udelay = 1;
+	static const int ad8402_udelay = 1;
 
 	priv(dev)->ad8402_state[channel] = value;
 
 	register_bits = SELECT_8402_64XX_BIT;
-	comedi_udelay(ad8402_comedi_udelay);
+	udelay(ad8402_udelay);
 	writew(register_bits, priv(dev)->main_iobase + CALIBRATION_REG);
 
 	for (bit = 1 << (bitstream_length - 1); bit; bit >>= 1) {
···
 			register_bits |= SERIAL_DATA_IN_BIT;
 		else
 			register_bits &= ~SERIAL_DATA_IN_BIT;
-		comedi_udelay(ad8402_comedi_udelay);
+		udelay(ad8402_udelay);
 		writew(register_bits, priv(dev)->main_iobase + CALIBRATION_REG);
-		comedi_udelay(ad8402_comedi_udelay);
+		udelay(ad8402_udelay);
 		writew(register_bits | SERIAL_CLOCK_BIT,
 			priv(dev)->main_iobase + CALIBRATION_REG);
 	}
 
-	comedi_udelay(ad8402_comedi_udelay);
+	udelay(ad8402_udelay);
 	writew(0, priv(dev)->main_iobase + CALIBRATION_REG);
 }
 
···
 		priv(dev)->plx9080_iobase + PLX_CONTROL_REG;
 	uint16_t value;
 	static const int value_length = 16;
-	static const int eeprom_comedi_udelay = 1;
+	static const int eeprom_udelay = 1;
 
-	comedi_udelay(eeprom_comedi_udelay);
+	udelay(eeprom_udelay);
 	priv(dev)->plx_control_bits &= ~CTL_EE_CLK & ~CTL_EE_CS;
 	/*  make sure we don't send anything to the i2c bus on 4020 */
 	priv(dev)->plx_control_bits |= CTL_USERO;
 	writel(priv(dev)->plx_control_bits, plx_control_addr);
 	/*  activate serial eeprom */
-	comedi_udelay(eeprom_comedi_udelay);
+	udelay(eeprom_udelay);
 	priv(dev)->plx_control_bits |= CTL_EE_CS;
 	writel(priv(dev)->plx_control_bits, plx_control_addr);
 
 	/*  write read command and desired memory address */
 	for (bit = 1 << (bitstream_length - 1); bit; bit >>= 1) {
 		/*  set bit to be written */
-		comedi_udelay(eeprom_comedi_udelay);
+		udelay(eeprom_udelay);
 		if (bitstream & bit)
 			priv(dev)->plx_control_bits |= CTL_EE_W;
 		else
 			priv(dev)->plx_control_bits &= ~CTL_EE_W;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
 		/*  clock in bit */
-		comedi_udelay(eeprom_comedi_udelay);
+		udelay(eeprom_udelay);
 		priv(dev)->plx_control_bits |= CTL_EE_CLK;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(eeprom_comedi_udelay);
+		udelay(eeprom_udelay);
 		priv(dev)->plx_control_bits &= ~CTL_EE_CLK;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
 	}
···
 	value = 0;
 	for (bit = 1 << (value_length - 1); bit; bit >>= 1) {
 		/*  clock out bit */
-		comedi_udelay(eeprom_comedi_udelay);
+		udelay(eeprom_udelay);
 		priv(dev)->plx_control_bits |= CTL_EE_CLK;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(eeprom_comedi_udelay);
+		udelay(eeprom_udelay);
 		priv(dev)->plx_control_bits &= ~CTL_EE_CLK;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(eeprom_comedi_udelay);
+		udelay(eeprom_udelay);
 		if (readl(plx_control_addr) & CTL_EE_R)
 			value |= bit;
 	}
 
 	/*  deactivate eeprom serial input */
-	comedi_udelay(eeprom_comedi_udelay);
+	udelay(eeprom_udelay);
 	priv(dev)->plx_control_bits &= ~CTL_EE_CS;
 	writel(priv(dev)->plx_control_bits, plx_control_addr);
 
···
 		register_bits = 0;
 		if (bitstream & bit)
 			register_bits |= SERIAL_DATA_IN_BIT;
-		comedi_udelay(caldac_8800_udelay);
+		udelay(caldac_8800_udelay);
 		writew(register_bits, priv(dev)->main_iobase + CALIBRATION_REG);
 		register_bits |= SERIAL_CLOCK_BIT;
-		comedi_udelay(caldac_8800_udelay);
+		udelay(caldac_8800_udelay);
 		writew(register_bits, priv(dev)->main_iobase + CALIBRATION_REG);
 	}
-	comedi_udelay(caldac_8800_udelay);
+	udelay(caldac_8800_udelay);
 	writew(SELECT_8800_BIT, priv(dev)->main_iobase + CALIBRATION_REG);
-	comedi_udelay(caldac_8800_udelay);
+	udelay(caldac_8800_udelay);
 	writew(0, priv(dev)->main_iobase + CALIBRATION_REG);
-	comedi_udelay(caldac_8800_udelay);
+	udelay(caldac_8800_udelay);
 	return 0;
 }
 
···
 }
 
 /* Their i2c requires a huge delay on setting clock or data high for some reason */
-static const int i2c_high_comedi_udelay = 1000;
-static const int i2c_low_comedi_udelay = 10;
+static const int i2c_high_udelay = 1000;
+static const int i2c_low_udelay = 10;
 
 /* set i2c data line high or low */
 static void i2c_set_sda(struct comedi_device *dev, int state)
···
 		/*  set data line high */
 		priv(dev)->plx_control_bits &= ~data_bit;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(i2c_high_comedi_udelay);
+		udelay(i2c_high_udelay);
 	} else			/*  set data line low */
 	{
 		priv(dev)->plx_control_bits |= data_bit;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(i2c_low_comedi_udelay);
+		udelay(i2c_low_udelay);
 	}
 }
 
···
 		/*  set clock line high */
 		priv(dev)->plx_control_bits &= ~clock_bit;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(i2c_high_comedi_udelay);
+		udelay(i2c_high_udelay);
 	} else			/*  set clock line low */
 	{
 		priv(dev)->plx_control_bits |= clock_bit;
 		writel(priv(dev)->plx_control_bits, plx_control_addr);
-		comedi_udelay(i2c_low_comedi_udelay);
+		udelay(i2c_low_udelay);
 	}
 }
 

drivers/staging/comedi/drivers/cb_pcimdas.c

···
 
 /* Dont support IRQ yet */
 /*  get irq */
-/* if(comedi_request_irq(devpriv->pci_dev->irq, cb_pcimdas_interrupt, IRQF_SHARED, "cb_pcimdas", dev )) */
+/* if(request_irq(devpriv->pci_dev->irq, cb_pcimdas_interrupt, IRQF_SHARED, "cb_pcimdas", dev )) */
 /* { */
 /* printk(" unable to allocate irq %u\n", devpriv->pci_dev->irq); */
 /* return -EINVAL; */
···
 #endif
 	printk("comedi%d: cb_pcimdas: remove\n", dev->minor);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (devpriv) {
 		if (devpriv->pci_dev) {
 			if (devpriv->BADR0) {

drivers/staging/comedi/drivers/comedi_fc.c

···
 
 	retval = comedi_buf_write_alloc(async, num_bytes);
 	if (retval != num_bytes) {
-		rt_printk("comedi: buffer overrun\n");
+		printk("comedi: buffer overrun\n");
 		async->events |= COMEDI_CB_OVERFLOW;
 		return 0;
 	}

drivers/staging/comedi/drivers/comedi_parport.c

···
 	irq = it->options[1];
 	if (irq) {
 		printk(" irq=%u", irq);
-		ret = comedi_request_irq(irq, parport_interrupt, 0,
-			"comedi_parport", dev);
+		ret = request_irq(irq, parport_interrupt, 0, "comedi_parport",
+				  dev);
 		if (ret < 0) {
 			printk(" irq not available\n");
 			return -EINVAL;
···
 		release_region(dev->iobase, PARPORT_SIZE);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	return 0;
 }

drivers/staging/comedi/drivers/comedi_rt_timer.c

···
 	timing_error = now - (devpriv->start + scan * devpriv->scan_period);
 	if (timing_error > devpriv->scan_period) {
 		comedi_error(dev, "timing error");
-		rt_printk("scan started %i ns late\n", timing_error * 838);
+		printk("scan started %i ns late\n", timing_error * 838);
 		return -1;
 	}
 
···
 		now - (scan_start + conversion * devpriv->convert_period);
 	if (timing_error > devpriv->convert_period) {
 		comedi_error(dev, "timing error");
-		rt_printk("conversion started %i ns late\n",
+		printk("conversion started %i ns late\n",
 			timing_error * 838);
 		return -1;
 	}

drivers/staging/comedi/drivers/contec_pci_dio.c

···
 	if (data[0]) {
 		s->state &= ~data[0];
 		s->state |= data[0] & data[1];
-		rt_printk("  out: %d on %lx\n", s->state,
+		printk("  out: %d on %lx\n", s->state,
 			dev->iobase + thisboard->out_offs);
 		outw(s->state, dev->iobase + thisboard->out_offs);
 	}
···
 	struct comedi_insn *insn, unsigned int *data)
 {
 
-	rt_printk("contec_di_insn_bits called\n");
-	rt_printk(" data: %d %d\n", data[0], data[1]);
+	printk("contec_di_insn_bits called\n");
+	printk(" data: %d %d\n", data[0], data[1]);
 
 	if (insn->n != 2)
 		return -EINVAL;

drivers/staging/comedi/drivers/daqboard2000.c

···
 {
 	struct daqboard2000_hw *fpga = devpriv->daq;
 
-/* comedi_udelay(4); */
+/* udelay(4); */
 	fpga->acqScanListFIFO = entry & 0x00ff;
-/* comedi_udelay(4); */
+/* udelay(4); */
 	fpga->acqScanListFIFO = (entry >> 8) & 0x00ff;
 }
 
···
 			if (fpga->acqControl & DAQBOARD2000_AcqConfigPipeFull) {
 				break;
 			}
-			/* comedi_udelay(2); */
+			/* udelay(2); */
 		}
 		fpga->acqControl = DAQBOARD2000_AdcPacerEnable;
 		for (timeout = 0; timeout < 20; timeout++) {
 			if (fpga->acqControl & DAQBOARD2000_AcqLogicScanning) {
 				break;
 			}
-			/* comedi_udelay(2); */
+			/* udelay(2); */
 		}
 		for (timeout = 0; timeout < 20; timeout++) {
 			if (fpga->
···
 				DAQBOARD2000_AcqResultsFIFOHasValidData) {
 				break;
 			}
-			/* comedi_udelay(2); */
+			/* udelay(2); */
 		}
 		data[i] = fpga->acqResultsFIFO;
 		fpga->acqControl = DAQBOARD2000_AdcPacerDisable;
···
 		 * OK, since it works OK without enabling the DAC's, let's keep
 		 * it as simple as possible...
 		 */
-		/* fpga->dacControl = (chan + 2) * 0x0010 | 0x0001; comedi_udelay(1000); */
+		/* fpga->dacControl = (chan + 2) * 0x0010 | 0x0001; udelay(1000); */
 		fpga->dacSetting[chan] = data[i];
 		for (timeout = 0; timeout < 20; timeout++) {
 			if ((fpga->dacControl & ((chan + 1) * 0x0010)) == 0) {
 				break;
 			}
-			/* comedi_udelay(2); */
+			/* udelay(2); */
 		}
 		devpriv->ao_readback[chan] = data[i];
 		/*
 		 * Since we never enabled the DAC's, we don't need to disable it...
-		 * fpga->dacControl = (chan + 2) * 0x0010 | 0x0000; comedi_udelay(1000);
+		 * fpga->dacControl = (chan + 2) * 0x0010 | 0x0000; udelay(1000);
 		 */
 	}
 
···
 {
 	printk("daqboard2000_resetLocalBus\n");
 	writel(DAQBOARD2000_SECRLocalBusHi, devpriv->plx + 0x6c);
-	comedi_udelay(10000);
+	udelay(10000);
 	writel(DAQBOARD2000_SECRLocalBusLo, devpriv->plx + 0x6c);
-	comedi_udelay(10000);
+	udelay(10000);
 }
 
 static void daqboard2000_reloadPLX(struct comedi_device *dev)
 {
 	printk("daqboard2000_reloadPLX\n");
 	writel(DAQBOARD2000_SECRReloadLo, devpriv->plx + 0x6c);
-	comedi_udelay(10000);
+	udelay(10000);
 	writel(DAQBOARD2000_SECRReloadHi, devpriv->plx + 0x6c);
-	comedi_udelay(10000);
+	udelay(10000);
 	writel(DAQBOARD2000_SECRReloadLo, devpriv->plx + 0x6c);
-	comedi_udelay(10000);
+	udelay(10000);
 }
 
 static void daqboard2000_pulseProgPin(struct comedi_device *dev)
 {
 	printk("daqboard2000_pulseProgPin 1\n");
 	writel(DAQBOARD2000_SECRProgPinHi, devpriv->plx + 0x6c);
-	comedi_udelay(10000);
+	udelay(10000);
 	writel(DAQBOARD2000_SECRProgPinLo, devpriv->plx + 0x6c);
-	comedi_udelay(10000);	/* Not in the original code, but I like symmetry... */
+	udelay(10000);	/* Not in the original code, but I like symmetry... */
 }
 
 static int daqboard2000_pollCPLD(struct comedi_device *dev, int mask)
···
 			result = 1;
 			break;
 		}
-		comedi_udelay(100);
+		udelay(100);
 	}
-	comedi_udelay(5);
+	udelay(5);
 	return result;
 }
 
···
 {
 	int result = 0;
 
-	comedi_udelay(10);
+	udelay(10);
 	writew(data, devpriv->daq + 0x1000);
 	if ((readw(devpriv->daq + 0x1000) & DAQBOARD2000_CPLD_INIT) ==
 		DAQBOARD2000_CPLD_INIT) {
···
 	struct daqboard2000_hw *fpga = devpriv->daq;
 
 	/* Disable hardware triggers */
-	comedi_udelay(2);
+	udelay(2);
 	fpga->trigControl = DAQBOARD2000_TrigAnalog | DAQBOARD2000_TrigDisable;
-	comedi_udelay(2);
+	udelay(2);
 	fpga->trigControl = DAQBOARD2000_TrigTTL | DAQBOARD2000_TrigDisable;
 
 	/* Stop the scan list FIFO from loading the configuration pipe */
-	comedi_udelay(2);
+	udelay(2);
 	fpga->acqControl = DAQBOARD2000_SeqStopScanList;
 
 	/* Stop the pacer clock */
-	comedi_udelay(2);
+	udelay(2);
 	fpga->acqControl = DAQBOARD2000_AdcPacerDisable;
 
 	/* Stop the input dma (abort channel 1) */
···
 		if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0) {
 			break;
 		}
-		comedi_udelay(2);
+		udelay(2);
 	}
 /*  printk("DAQBOARD2000_PosRefDacSelect %d\n", timeout);*/
 
···
 		if ((fpga->dacControl & DAQBOARD2000_RefBusy) == 0) {
 			break;
 		}
-		comedi_udelay(2);
+		udelay(2);
 	}
 /*  printk("DAQBOARD2000_NegRefDacSelect %d\n", timeout);*/
 }

drivers/staging/comedi/drivers/das08.c

···
 		/* clear over-range bits for 16-bit boards */
 		if (thisboard->ai_nbits == 16)
 			if (inb(dev->iobase + DAS08_MSB) & 0x80)
-				rt_printk("das08: over-range\n");
+				printk("das08: over-range\n");
 
 		/* trigger conversion */
 		outb_p(0, dev->iobase + DAS08_TRIG_12BIT);
···
 				break;
 		}
 		if (i == TIMEOUT) {
-			rt_printk("das08: timeout\n");
+			printk("das08: timeout\n");
 			return -ETIME;
 		}
 		msb = inb(dev->iobase + DAS08_MSB);

drivers/staging/comedi/drivers/das16.c

···
 /* #define DEBUG */
 
 #ifdef DEBUG
-#define DEBUG_PRINT(format, args...) rt_printk("das16: " format, ## args)
+#define DEBUG_PRINT(format, args...) printk("das16: " format, ## args)
 #else
 #define DEBUG_PRINT(format, args...)
 #endif
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	/* disable interrupts, dma and pacer clocked conversions */
 	devpriv->control_state &= ~DAS16_INTE & ~PACING_MASK & ~DMA_ENABLE;
 	outb(devpriv->control_state, dev->iobase + DAS16_CONTROL);
···
 		outb(0, dev->iobase + DAS1600_BURST);
 	}
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return 0;
 }
···
 				break;
 		}
 		if (i == DAS16_TIMEOUT) {
-			rt_printk("das16: timeout\n");
+			printk("das16: timeout\n");
 			return -ETIME;
 		}
 		msb = inb(dev->iobase + DAS16_AI_MSB);
···
 		enable_dma(devpriv->dma_chan);
 		for (j = 0; j < enable_timeout; ++j) {
 			int new_residue;
-			comedi_udelay(2);
+			udelay(2);
 			new_residue = get_dma_residue(devpriv->dma_chan);
 			if (new_residue != residue)
 				break;
···
 		return;
 	}
 
-	comedi_spin_lock_irqsave(&dev->spinlock, spin_flags);
+	spin_lock_irqsave(&dev->spinlock, spin_flags);
 	if ((devpriv->control_state & DMA_ENABLE) == 0) {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, spin_flags);
+		spin_unlock_irqrestore(&dev->spinlock, spin_flags);
 		DEBUG_PRINT("interrupt while dma disabled?\n");
 		return;
 	}
···
 	}
 	release_dma_lock(dma_flags);
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, spin_flags);
+	spin_unlock_irqrestore(&dev->spinlock, spin_flags);
 
 	cfc_write_array_to_buffer(s,
 		devpriv->dma_buffer[buffer_index], num_bytes);
···
 
 	/* now for the irq */
 	if (irq > 1 && irq < 8) {
-		ret = comedi_request_irq(irq, das16_dma_interrupt, 0,
-					 "das16", dev);
+		ret = request_irq(irq, das16_dma_interrupt, 0, "das16", dev);
 
 		if (ret < 0)
 			return ret;
···
 	}
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (dev->iobase) {
 		if (thisboard->size < 0x400) {

drivers/staging/comedi/drivers/das16m1.c

···
 	unsigned int status;
 
 	/*  prevent race with interrupt handler */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	status = inb(dev->iobase + DAS16M1_CS);
 	das16m1_handler(dev, status);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return s->async->buf_write_count - s->async->buf_read_count;
 }
···
 	irq = it->options[1];
 	/*  make sure it is valid */
 	if (das16m1_irq_bits(irq) >= 0) {
-		ret = comedi_request_irq(irq, das16m1_interrupt, 0,
-			driver_das16m1.driver_name, dev);
+		ret = request_irq(irq, das16m1_interrupt, 0,
+				  driver_das16m1.driver_name, dev);
 		if (ret < 0) {
 			printk(", irq unavailable\n");
 			return ret;
···
 		subdev_8255_cleanup(dev, dev->subdevices + 3);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (dev->iobase) {
 		release_region(dev->iobase, DAS16M1_SIZE);

drivers/staging/comedi/drivers/das1800.c

···
 
 	/* grab our IRQ */
 	if (irq) {
-		if (comedi_request_irq(irq, das1800_interrupt, 0,
+		if (request_irq(irq, das1800_interrupt, 0,
 				driver_das1800.driver_name, dev)) {
 			printk(" unable to allocate irq %u\n", irq);
 			return -EINVAL;
···
 	if (dev->iobase)
 		release_region(dev->iobase, DAS1800_SIZE);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (dev->private) {
 		if (devpriv->iobase2)
 			release_region(devpriv->iobase2, DAS1800_SIZE);
···
 	unsigned long flags;
 
 	/*  prevent race with interrupt handler */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	das1800_ai_handler(dev);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return s->async->buf_write_count - s->async->buf_read_count;
 }
···
 
 	n = cmd.chanlist_len;
 	/*  spinlock protects indirect addressing */
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(QRAM, dev->iobase + DAS1800_SELECT);	/* select QRAM for baseAddress + 0x0 */
 	outb(n - 1, dev->iobase + DAS1800_QRAM_ADDRESS);	/*set QRAM address start */
 	/* make channel / gain list */
···
 		outw(chan_range, dev->iobase + DAS1800_QRAM);
 	}
 	outb(n - 1, dev->iobase + DAS1800_QRAM_ADDRESS);	/*finish write to QRAM */
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	return;
 }
···
 	/* mask of unipolar/bipolar bit from range */
 	range = CR_RANGE(insn->chanspec) & 0x3;
 	chan_range = chan | (range << 8);
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(QRAM, dev->iobase + DAS1800_SELECT);	/* select QRAM for baseAddress + 0x0 */
 	outb(0x0, dev->iobase + DAS1800_QRAM_ADDRESS);	/* set QRAM address start */
 	outw(chan_range, dev->iobase + DAS1800_QRAM);
···
 			dpnt += 1 << (thisboard->resolution - 1);
 		data[n] = dpnt;
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	return n;
 }
···
 	if (chan == update_chan)
 		devpriv->ao_update_bits = output;
 	/*  write to channel */
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(DAC(chan), dev->iobase + DAS1800_SELECT);	/* select dac channel for baseAddress + 0x0 */
 	outw(output, dev->iobase + DAS1800_DAC);
 	/*  now we need to write to 'update' channel to update all dac channels */
···
 		outb(DAC(update_chan), dev->iobase + DAS1800_SELECT);	/* select 'update' channel for baseAddress + 0x0 */
 		outw(devpriv->ao_update_bits, dev->iobase + DAS1800_DAC);
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	return 1;
 }

drivers/staging/comedi/drivers/das6402.c

···
 static int das6402_detach(struct comedi_device *dev)
 {
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (dev->iobase)
 		release_region(dev->iobase, DAS6402_SIZE);
 
···
 
 	irq = it->options[0];
 	printk(" ( irq = %u )", irq);
-	ret = comedi_request_irq(irq, intr_handler, 0, "das6402", dev);
+	ret = request_irq(irq, intr_handler, 0, "das6402", dev);
 	if (ret < 0) {
 		printk("irq conflict\n");
 		return ret;

drivers/staging/comedi/drivers/das800.c

···
 	int board;
 
 	/*  'comedi spin lock irqsave' disables even rt interrupts, we use them to protect indirect addressing */
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(ID, dev->iobase + DAS800_GAIN);	/* select base address + 7 to be ID register */
 	id_bits = inb(dev->iobase + DAS800_ID) & 0x3;	/* get id bits */
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	board = thisboard - das800_boards;
 
···
 	async = s->async;
 
 	/*  if hardware conversions are not enabled, then quit */
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select base address + 7 to be STATUS2 register */
 	status = inb(dev->iobase + DAS800_STATUS2) & STATUS2_HCEN;
 	/* don't release spinlock yet since we want to make sure noone else disables hardware conversions */
 	if (status == 0) {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+		spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 		return IRQ_HANDLED;
 	}
 
···
 		fifo_overflow = inb(dev->iobase + DAS800_GAIN) & CIO_FFOV;
 	}
 	if (fifo_overflow) {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+		spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 		comedi_error(dev, "DAS800 FIFO overflow");
 		das800_cancel(dev, dev->subdevices + 0);
 		async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
···
 		outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be control register 1 */
 		outb(CONTROL1_INTE | devpriv->do_bits,
 			dev->iobase + DAS800_CONTROL1);
-		comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+		spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 		/* otherwise, stop taking data */
 	} else {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+		spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 		disable_das800(dev);	/* diable hardware triggered conversions */
 		async->events |= COMEDI_CB_EOA;
 	}
···
 		return -EINVAL;
 	}
 	if (irq) {
-		if (comedi_request_irq(irq, das800_interrupt, 0, "das800", dev)) {
+		if (request_irq(irq, das800_interrupt, 0, "das800", dev)) {
 			printk("unable to allocate irq %u\n", irq);
 			return -EINVAL;
 		}
···
 	disable_das800(dev);
 
 	/* initialize digital out channels */
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be control register 1 */
 	outb(CONTROL1_INTE | devpriv->do_bits, dev->iobase + DAS800_CONTROL1);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	return 0;
 };
···
 	if (dev->iobase)
 		release_region(dev->iobase, DAS800_SIZE);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	return 0;
 };
 
···
 static void enable_das800(struct comedi_device *dev)
 {
 	unsigned long irq_flags;
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	/*  enable fifo-half full interrupts for cio-das802/16 */
 	if (thisboard->resolution == 16)
 		outb(CIO_ENHF, dev->iobase + DAS800_GAIN);
···
 	outb(CONV_HCEN, dev->iobase + DAS800_CONV_CONTROL);	/* enable hardware triggering */
 	outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be control register 1 */
 	outb(CONTROL1_INTE | devpriv->do_bits, dev->iobase + DAS800_CONTROL1);	/* enable card's interrupt */
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 }
 
 /* disable_das800 stops hardware triggered conversions */
 static void disable_das800(struct comedi_device *dev)
 {
 	unsigned long irq_flags;
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONV_CONTROL, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be conversion control register */
 	outb(0x0, dev->iobase + DAS800_CONV_CONTROL);	/* disable hardware triggering of conversions */
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 }
 
 static int das800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
···
 	endChan = (startChan + async->cmd.chanlist_len - 1) % 8;
 	scan = (endChan << 3) | startChan;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(SCAN_LIMITS, dev->iobase + DAS800_GAIN);	/* select base address + 2 to be scan limits register */
 	outb(scan, dev->iobase + DAS800_SCAN_LIMITS);	/* set scan limits */
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	/* set gain */
 	gain = CR_RANGE(async->cmd.chanlist[0]);
···
 		break;
 	}
 
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONV_CONTROL, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be conversion control register */
 	outb(conv_bits, dev->iobase + DAS800_CONV_CONTROL);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 	async->events = 0;
 	enable_das800(dev);
 	return 0;
···
 	/* set multiplexer */
 	chan = CR_CHAN(insn->chanspec);
 
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be control register 1 */
 	outb(chan | devpriv->do_bits, dev->iobase + DAS800_CONTROL1);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	/* set gain / range */
 	range = CR_RANGE(insn->chanspec);
···
 	range &= 0xf;
 	outb(range, dev->iobase + DAS800_GAIN);
 
-	comedi_udelay(5);
+	udelay(5);
 
 	for (n = 0; n < insn->n; n++) {
 		/* trigger conversion */
···
 	wbits |= data[0] & data[1];
 	devpriv->do_bits = wbits << 4;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, irq_flags);
+	spin_lock_irqsave(&dev->spinlock, irq_flags);
 	outb(CONTROL1, dev->iobase + DAS800_GAIN);	/* select dev->iobase + 2 to be control register 1 */
 	outb(devpriv->do_bits | CONTROL1_INTE, dev->iobase + DAS800_CONTROL1);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, irq_flags);
+	spin_unlock_irqrestore(&dev->spinlock, irq_flags);
 
 	data[1] = wbits;
 

drivers/staging/comedi/drivers/dmm32at.c

···
 
 	/* board is there, register interrupt */
 	if (irq) {
-		ret = comedi_request_irq(irq, dmm32at_isr, 0, thisboard->name,
-			dev);
+		ret = request_irq(irq, dmm32at_isr, 0, thisboard->name, dev);
 		if (ret < 0) {
 			printk("irq conflict\n");
 			return ret;
···
 {
 	printk("comedi%d: dmm32at: remove\n", dev->minor);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (dev->iobase)
 		release_region(dev->iobase, DMM32AT_MEMSIZE);
 

drivers/staging/comedi/drivers/dt2801.c

···
 	outb_p(DT_C_STOP, dev->iobase + DT2801_CMD);
 
 	/* dt2801_wait_for_ready(dev); */
-	comedi_udelay(100);
+	udelay(100);
 	timeout = 10000;
 	do {
 		stat = inb_p(dev->iobase + DT2801_STATUS);
···
 	outb_p(DT_C_RESET, dev->iobase + DT2801_CMD);
 	/* dt2801_writecmd(dev,DT_C_RESET); */
 
-	comedi_udelay(100);
+	udelay(100);
 	timeout = 10000;
 	do {
 		stat = inb_p(dev->iobase + DT2801_STATUS);

drivers/staging/comedi/drivers/dt2811.c

···
 
 #if 0
 	outb(0, dev->iobase + DT2811_ADCSR);
-	comedi_udelay(100);
+	udelay(100);
 	i = inb(dev->iobase + DT2811_ADDATLO);
 	i = inb(dev->iobase + DT2811_ADDATHI);
 #endif
···
 			dev->iobase + DT2811_ADCSR);
 		outb(0, dev->iobase + DT2811_ADGCR);
 
-		comedi_udelay(100);
+		udelay(100);
 
 		irq = probe_irq_off(irqs);
 		restore_flags(flags);
···
 			i = inb(dev->iobase + DT2811_ADDATLO);
 			i = inb(dev->iobase + DT2811_ADDATHI);
 			printk("(irq = %d)\n", irq);
-			ret = comedi_request_irq(irq, dt2811_interrupt, 0,
+			ret = request_irq(irq, dt2811_interrupt, 0,
 				driver_name, dev);
 			if (ret < 0)
 				return -EIO;
···
 	printk("comedi%d: dt2811: remove\n", dev->minor);
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (dev->iobase) {
 		release_region(dev->iobase, DT2811_SIZE);

drivers/staging/comedi/drivers/dt2814.c

···
 		for (i = 0; i < DT2814_TIMEOUT; i++) {
 			status = inb(dev->iobase + DT2814_CSR);
 			printk("dt2814: status: %02x\n", status);
-			comedi_udelay(10);
+			udelay(10);
 			if (status & DT2814_FINISH)
 				break;
 		}
···
 	dev->board_name = "dt2814";
 
 	outb(0, dev->iobase + DT2814_CSR);
-	comedi_udelay(100);
+	udelay(100);
 	if (inb(dev->iobase + DT2814_CSR) & DT2814_ERR) {
 		printk("reset error (fatal)\n");
 		return -EIO;
···
 
 		outb(0, dev->iobase + DT2814_CSR);
 
-		comedi_udelay(100);
+		udelay(100);
 
 		irq = probe_irq_off(irqs);
 		restore_flags(flags);
···
 #endif
 	dev->irq = 0;
 	if (irq > 0) {
-		if (comedi_request_irq(irq, dt2814_interrupt, 0, "dt2814", dev)) {
+		if (request_irq(irq, dt2814_interrupt, 0, "dt2814", dev)) {
 			printk("(irq %d unavailable)\n", irq);
 		} else {
 			printk("( irq = %d )\n", irq);
···
 	printk("comedi%d: dt2814: remove\n", dev->minor);
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (dev->iobase) {
 		release_region(dev->iobase, DT2814_SIZE);

drivers/staging/comedi/drivers/dt2815.c

···
 
 		status = dt2815_wait_for_status(dev, 0x00);
 		if (status != 0) {
-			rt_printk
+			printk
 				("dt2815: failed to write low byte on %d reason %x\n",
 				chan, status);
 			return -EBUSY;
···
 
 		status = dt2815_wait_for_status(dev, 0x10);
 		if (status != 0x10) {
-			rt_printk
+			printk
 				("dt2815: failed to write high byte on %d reason %x\n",
 				chan, status);
 			return -EBUSY;
···
 		/* This is incredibly slow (approx 20 ms) */
 		unsigned int status;
 
-		comedi_udelay(1000);
+		udelay(1000);
 		status = inb(dev->iobase + DT2815_STATUS);
 		if (status == 4) {
 			unsigned int program;

drivers/staging/comedi/drivers/dt282x.c

···
 		int _i;					\
 		for (_i=0;_i<DT2821_TIMEOUT;_i++){	\
 			if (a){_i=0;break;}		\
-			comedi_udelay(5);			\
+			udelay(5);			\
 		}					\
 		if (_i){b}				\
 	}while (0)
···
 
 	size = cfc_read_array_from_buffer(s, ptr, devpriv->dma_maxsize);
 	if (size == 0) {
-		rt_printk("dt282x: AO underrun\n");
+		printk("dt282x: AO underrun\n");
 		dt282x_ao_cancel(dev, s);
 		s->async->events |= COMEDI_CB_OVERFLOW;
 		return;
···
 	size = cfc_read_array_from_buffer(s, devpriv->dma[0].buf,
 		devpriv->dma_maxsize);
 	if (size == 0) {
-		rt_printk("dt282x: AO underrun\n");
+		printk("dt282x: AO underrun\n");
 		return -EPIPE;
 	}
 	prep_ao_dma(dev, 0, size);
···
 	size = cfc_read_array_from_buffer(s, devpriv->dma[1].buf,
 		devpriv->dma_maxsize);
 	if (size == 0) {
-		rt_printk("dt282x: AO underrun\n");
+		printk("dt282x: AO underrun\n");
 		return -EPIPE;
 	}
 	prep_ao_dma(dev, 1, size);
···
 
 		/* trigger interrupt */
 
-		comedi_udelay(100);
+		udelay(100);
 
 		irq = probe_irq_off(irqs);
 		restore_flags(flags);
···
 #endif
 	if (irq > 0) {
 		printk(" ( irq = %d )", irq);
-		ret = comedi_request_irq(irq, dt282x_interrupt, 0, "dt282x",
-			dev);
+		ret = request_irq(irq, dt282x_interrupt, 0, "dt282x", dev);
 		if (ret < 0) {
 			printk(" failed to get irq\n");
 			return -EIO;
···
 static void free_resources(struct comedi_device *dev)
 {
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (dev->iobase)
 		release_region(dev->iobase, DT2821_SIZE);

drivers/staging/comedi/drivers/dt3000.c

···
 		status = readw(devpriv->io_addr + DPR_Command_Mbx);
 		if ((status & DT3000_COMPLETION_MASK) != DT3000_NOTPROCESSED)
 			break;
-		comedi_udelay(1);
+		udelay(1);
 	}
 	if ((status & DT3000_COMPLETION_MASK) == DT3000_NOERROR) {
 		return 0;
···
 
 	dev->board_name = this_board->name;
 
-	if (comedi_request_irq(devpriv->pci_dev->irq, dt3k_interrupt,
-			IRQF_SHARED, "dt3000", dev)) {
+	if (request_irq(devpriv->pci_dev->irq, dt3k_interrupt, IRQF_SHARED,
+			"dt3000", dev)) {
 		printk(" unable to allocate IRQ %u\n", devpriv->pci_dev->irq);
 		return -EINVAL;
 	}
···
 static int dt3000_detach(struct comedi_device *dev)
 {
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (devpriv) {
 		if (devpriv->pci_dev) {

drivers/staging/comedi/drivers/fl512.c

···
 		outb(chan, iobase + 2);	/* select chan */
 		outb(0, iobase + 3);	/* start conversion */
 		/* XXX should test "done" flag instead of delay */
-		comedi_udelay(30);	/* sleep 30 usec */
+		udelay(30);	/* sleep 30 usec */
 		lo_byte = inb(iobase + 2);	/* low 8 byte */
 		hi_byte = inb(iobase + 3) & 0xf;	/* high 4 bit and mask */
 		data[n] = lo_byte + (hi_byte << 8);

drivers/staging/comedi/drivers/gsc_hpdi.c

···
 /* #define HPDI_DEBUG      enable debugging code */
 
 #ifdef HPDI_DEBUG
-#define DEBUG_PRINT(format, args...)  rt_printk(format , ## args)
+#define DEBUG_PRINT(format, args...)  printk(format , ## args)
 #else
 #define DEBUG_PRINT(format, args...)
 #endif
···
 int command_channel_valid(unsigned int channel)
 {
 	if (channel == 0 || channel > 6) {
-		rt_printk("gsc_hpdi: bug! invalid cable command channel\n");
+		printk("gsc_hpdi: bug! invalid cable command channel\n");
 		return 0;
 	}
 	return 1;
···
 	uint32_t plx_intcsr_bits;
 
 	writel(BOARD_RESET_BIT, priv(dev)->hpdi_iobase + BOARD_CONTROL_REG);
-	comedi_udelay(10);
+	udelay(10);
 
 	writel(almost_empty_bits(32) | almost_full_bits(32),
 		priv(dev)->hpdi_iobase + RX_PROG_ALMOST_REG);
···
 	init_plx9080(dev);
 
 	/*  get irq */
-	if (comedi_request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED,
+	if (request_irq(pcidev->irq, handle_interrupt, IRQF_SHARED,
 			driver_hpdi.driver_name, dev)) {
 		printk(" unable to allocate irq %u\n", pcidev->irq);
 		return -EINVAL;
···
 	printk("comedi%d: gsc_hpdi: remove\n", dev->minor);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (priv(dev)) {
 		if (priv(dev)->hw_dev) {
 			if (priv(dev)->plx9080_iobase) {
···
 	writel(bits, priv(dev)->plx9080_iobase + PLX_DMA0_DESCRIPTOR_REG);
 
 	/*  spinlock for plx dma control/status reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	/*  enable dma transfer */
 	writeb(PLX_DMA_EN_BIT | PLX_DMA_START_BIT | PLX_CLEAR_DMA_INTR_BIT,
 		priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	if (cmd->stop_src == TRIG_COUNT)
 		priv(dev)->dio_count = cmd->stop_arg;
···
 			priv(dev)->hpdi_iobase + INTERRUPT_STATUS_REG);
 	}
 	/*  spin lock makes sure noone else changes plx dma control reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	dma0_status = readb(priv(dev)->plx9080_iobase + PLX_DMA0_CS_REG);
 	if (plx_status & ICS_DMA0_A) {	/*  dma chan 0 interrupt */
 		writeb((dma0_status & PLX_DMA_EN_BIT) | PLX_CLEAR_DMA_INTR_BIT,
···
 		}
 		DEBUG_PRINT(" cleared dma ch0 interrupt\n");
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  spin lock makes sure noone else changes plx dma control reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	dma1_status = readb(priv(dev)->plx9080_iobase + PLX_DMA1_CS_REG);
 	if (plx_status & ICS_DMA1_A)	/*  XXX */
 	{			/*  dma chan 1 interrupt */
···
 
 		DEBUG_PRINT(" cleared dma ch1 interrupt\n");
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  clear possible plx9080 interrupt sources */
 	if (plx_status & ICS_LDIA) {	/*  clear local doorbell interrupt */
···
 	unsigned long flags;
 
 	/*  spinlock for plx dma control/status reg */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	plx9080_abort_dma(priv(dev)->plx9080_iobase, channel);
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 }
 
 static int hpdi_cancel(struct comedi_device *dev, struct comedi_subdevice *s)

drivers/staging/comedi/drivers/icp_multi.c

···
 			readw(devpriv->io_addr + ICP_MULTI_ADC_CSR));
 #endif
 
-		comedi_udelay(1);
+		udelay(1);
 
 #ifdef ICP_MULTI_EXTDEBUG
 		printk("icp multi C n=%d ST=%4x\n", n,
···
 						ICP_MULTI_ADC_CSR));
 #endif
 
-			comedi_udelay(1);
+			udelay(1);
 		}
 
 		/*  If we reach here, a timeout has occurred */
···
 						ICP_MULTI_DAC_CSR));
 #endif
 
-			comedi_udelay(1);
+			udelay(1);
 		}
 
 		/*  If we reach here, a timeout has occurred */
···
 				devpriv->io_addr + ICP_MULTI_DAC_CSR);
 
 			/*  Delay to allow DAC time to recover */
-			comedi_udelay(1);
+			udelay(1);
 		}
 	/*  Digital outputs to 0 */
 	writew(0, devpriv->io_addr + ICP_MULTI_DO);
···
 
 	if (this_board->have_irq) {
 		if (irq) {
-			if (comedi_request_irq(irq, interrupt_service_icp_multi,
+			if (request_irq(irq, interrupt_service_icp_multi,
 					IRQF_SHARED, "Inova Icp Multi", dev)) {
 				printk(", unable to allocate IRQ %u, DISABLING IT", irq);
 				irq = 0;	/* Can't use IRQ */
···
 			icp_multi_reset(dev);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (dev->private && devpriv->io_addr)
 		iounmap(devpriv->io_addr);

drivers/staging/comedi/drivers/icp_multi.h

···
 	int i;
 
 	if (!inova) {
-		rt_printk(" - BUG!! inova is NULL!\n");
+		printk(" - BUG!! inova is NULL!\n");
 		return -1;
 	}
 
 	if (inova->used)
 		return 1;
 	if (comedi_pci_enable(inova->pcidev, "icp_multi")) {
-		rt_printk(" - Can't enable PCI device and request regions!\n");
+		printk(" - Can't enable PCI device and request regions!\n");
 		return -1;
 	}
 	/* Resources will be accurate now. */
···
 
 		card = find_free_pci_card_by_device(vendor_id, device_id);
 		if (card == NULL) {
-			rt_printk(" - Unused card not found in system!\n");
+			printk(" - Unused card not found in system!\n");
 			return NULL;
 		}
 	} else {
 		switch (find_free_pci_card_by_position(vendor_id, device_id,
 				pci_bus, pci_slot, &card)) {
 		case 1:
-			rt_printk
+			printk
 				(" - Card not found on requested position b:s %d:%d!\n",
 				pci_bus, pci_slot);
 			return NULL;
 		case 2:
-			rt_printk
+			printk
 				(" - Card on requested position is used b:s %d:%d!\n",
 				pci_bus, pci_slot);
 			return NULL;
···
 	err = pci_card_alloc(card);
 	if (err != 0) {
 		if (err > 0)
-			rt_printk(" - Can't allocate card!\n");
+			printk(" - Can't allocate card!\n");
 		/* else: error already printed. */
 		return NULL;
 	}

drivers/staging/comedi/drivers/jr3_pci.c

···
 
 		set_u16(&channel->transforms[num].link[i].link_type,
 			transf.link[i].link_type);
-		comedi_udelay(1);
+		udelay(1);
 		set_s16(&channel->transforms[num].link[i].link_amount,
 			transf.link[i].link_amount);
-		comedi_udelay(1);
+		udelay(1);
 		if (transf.link[i].link_type == end_x_form) {
 			break;
 		}
···
 								channel[i].
 								program_low
 								[addr], data1);
-							comedi_udelay(1);
+							udelay(1);
 							set_u16(&p->iobase->
 								channel[i].
 								program_high
 								[addr], data2);
-							comedi_udelay(1);
+							udelay(1);
 
 						}
 					}
···
 	int delay;
 	int i;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	delay = 1000;
 	now = jiffies;
 	/*  Poll all channels that are ready to be polled */
···
 			}
 		}
 	}
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	devpriv->timer.expires = jiffies + msecs_to_jiffies(delay);
 	add_timer(&devpriv->timer);

drivers/staging/comedi/drivers/me4000.c

···
 		s->insn_read = me4000_ai_insn_read;
 
 		if (info->irq > 0) {
-			if (comedi_request_irq(info->irq, me4000_ai_isr,
+			if (request_irq(info->irq, me4000_ai_isr,
 					IRQF_SHARED, "ME-4000", dev)) {
 				printk("comedi%d: me4000: me4000_attach(): Unable to allocate irq\n", dev->minor);
 			} else {

drivers/staging/comedi/drivers/mite.c

···
 	struct mite_channel *channel = NULL;
 
 	/*  spin lock so mite_release_channel can be called safely from interrupts */
-	comedi_spin_lock_irqsave(&mite->lock, flags);
+	spin_lock_irqsave(&mite->lock, flags);
 	for (i = min_channel; i <= max_channel; ++i) {
 		if (mite->channel_allocated[i] == 0) {
 			mite->channel_allocated[i] = 1;
···
 			break;
 		}
 	}
-	comedi_spin_unlock_irqrestore(&mite->lock, flags);
+	spin_unlock_irqrestore(&mite->lock, flags);
 	return channel;
 }
 
···
 	unsigned long flags;
 
 	/*  spin lock to prevent races with mite_request_channel */
-	comedi_spin_lock_irqsave(&mite->lock, flags);
+	spin_lock_irqsave(&mite->lock, flags);
 	if (mite->channel_allocated[mite_chan->channel]) {
 		mite_dma_disarm(mite_chan);
 		mite_dma_reset(mite_chan);
···
 		mite_chan->ring = NULL;
 		mmiowb();
 	}
-	comedi_spin_unlock_irqrestore(&mite->lock, flags);
+	spin_unlock_irqrestore(&mite->lock, flags);
 }
 
 void mite_dma_arm(struct mite_channel *mite_chan)
···
 	smp_mb();
 	/* arm */
 	chor = CHOR_START;
-	comedi_spin_lock_irqsave(&mite->lock, flags);
+	spin_lock_irqsave(&mite->lock, flags);
 	mite_chan->done = 0;
 	writel(chor, mite->mite_io_addr + MITE_CHOR(mite_chan->channel));
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&mite->lock, flags);
+	spin_unlock_irqrestore(&mite->lock, flags);
 /*       mite_dma_tcr(mite, channel); */
 }
 
···
 		mcr |= CR_PSIZE32;
 		break;
 	default:
-		rt_printk
+		printk
 			("mite: bug! invalid mem bit width for dma transfer\n");
 		break;
 	}
···
 		dcr |= CR_PSIZE32;
 		break;
 	default:
-		rt_printk
+		printk
 			("mite: bug! invalid dev bit width for dma transfer\n");
 		break;
 	}
···
 	nbytes = mite_bytes_written_to_memory_lb(mite_chan);
 	if ((int)(mite_bytes_written_to_memory_ub(mite_chan) -
 			old_alloc_count) > 0) {
-		rt_printk("mite: DMA overwrite of free area\n");
+		printk("mite: DMA overwrite of free area\n");
 		async->events |= COMEDI_CB_OVERFLOW;
 		return -1;
 	}
···
 		(int)(nbytes_ub - stop_count) > 0)
 		nbytes_ub = stop_count;
 	if ((int)(nbytes_ub - old_alloc_count) > 0) {
-		rt_printk("mite: DMA underrun\n");
+		printk("mite: DMA underrun\n");
 		async->events |= COMEDI_CB_OVERFLOW;
 		return -1;
 	}
···
 	unsigned status;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&mite->lock, flags);
+	spin_lock_irqsave(&mite->lock, flags);
 	status = readl(mite->mite_io_addr + MITE_CHSR(mite_chan->channel));
 	if (status & CHSR_DONE) {
 		mite_chan->done = 1;
···
 			mite->mite_io_addr + MITE_CHOR(mite_chan->channel));
 	}
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&mite->lock, flags);
+	spin_unlock_irqrestore(&mite->lock, flags);
 	return status;
 }
 
···
 	int done;
 
 	mite_get_status(mite_chan);
-	comedi_spin_lock_irqsave(&mite->lock, flags);
+	spin_lock_irqsave(&mite->lock, flags);
 	done = mite_chan->done;
-	comedi_spin_unlock_irqrestore(&mite->lock, flags);
+	spin_unlock_irqrestore(&mite->lock, flags);
 	return done;
 }
 

drivers/staging/comedi/drivers/mite.h

···
 		value++;
 	}
 	if (value > 0x7)
-		rt_printk("comedi: bug! retry_limit too large\n");
+		printk("comedi: bug! retry_limit too large\n");
 	return (value & 0x7) << 21;
 }
 

drivers/staging/comedi/drivers/mpc624.c

···
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	rt_printk("comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase);
+	printk("comedi%d: mpc624 [0x%04lx, ", dev->minor, iobase);
 	if (request_region(iobase, MPC624_SIZE, "mpc624") == NULL) {
-		rt_printk("I/O port(s) in use\n");
+		printk("I/O port(s) in use\n");
 		return -EIO;
 	}
 
···
 	switch (it->options[1]) {
 	case 0:
 		devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz;
-		rt_printk("3.52 kHz, ");
+		printk("3.52 kHz, ");
 		break;
 	case 1:
 		devpriv->ulConvertionRate = MPC624_SPEED_1_76_kHz;
-		rt_printk("1.76 kHz, ");
+		printk("1.76 kHz, ");
 		break;
 	case 2:
 		devpriv->ulConvertionRate = MPC624_SPEED_880_Hz;
-		rt_printk("880 Hz, ");
+		printk("880 Hz, ");
 		break;
 	case 3:
 		devpriv->ulConvertionRate = MPC624_SPEED_440_Hz;
-		rt_printk("440 Hz, ");
+		printk("440 Hz, ");
 		break;
 	case 4:
 		devpriv->ulConvertionRate = MPC624_SPEED_220_Hz;
-		rt_printk("220 Hz, ");
+		printk("220 Hz, ");
 		break;
 	case 5:
 		devpriv->ulConvertionRate = MPC624_SPEED_110_Hz;
-		rt_printk("110 Hz, ");
+		printk("110 Hz, ");
 		break;
 	case 6:
 		devpriv->ulConvertionRate = MPC624_SPEED_55_Hz;
-		rt_printk("55 Hz, ");
+		printk("55 Hz, ");
 		break;
 	case 7:
 		devpriv->ulConvertionRate = MPC624_SPEED_27_5_Hz;
-		rt_printk("27.5 Hz, ");
+		printk("27.5 Hz, ");
 		break;
 	case 8:
 		devpriv->ulConvertionRate = MPC624_SPEED_13_75_Hz;
-		rt_printk("13.75 Hz, ");
+		printk("13.75 Hz, ");
 		break;
 	case 9:
 		devpriv->ulConvertionRate = MPC624_SPEED_6_875_Hz;
-		rt_printk("6.875 Hz, ");
+		printk("6.875 Hz, ");
 		break;
 	default:
-		rt_printk
+		printk
 			("illegal convertion rate setting! Valid numbers are 0..9. Using 9 => 6.875 Hz, ");
 		devpriv->ulConvertionRate = MPC624_SPEED_3_52_kHz;
 	}
···
 	switch (it->options[1]) {
 	default:
 		s->maxdata = 0x3FFFFFFF;
-		rt_printk("30 bit, ");
+		printk("30 bit, ");
 	}
 
 	switch (it->options[1]) {
 	case 0:
 		s->range_table = &range_mpc624_bipolar1;
-		rt_printk("1.01V]: ");
+		printk("1.01V]: ");
 		break;
 	default:
 		s->range_table = &range_mpc624_bipolar10;
-		rt_printk("10.1V]: ");
+		printk("10.1V]: ");
 	}
 	s->len_chanlist = 1;
 	s->insn_read = mpc624_ai_rinsn;
 
-	rt_printk("attached\n");
+	printk("attached\n");
 
 	return 1;
 }
 
 static int mpc624_detach(struct comedi_device *dev)
 {
-	rt_printk("comedi%d: mpc624: remove\n", dev->minor);
+	printk("comedi%d: mpc624: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, MPC624_SIZE);
···
 
 	/*  WARNING: We always write 0 to GNSWA bit, so the channel range is +-/10.1Vdc */
 	outb(insn->chanspec, dev->iobase + MPC624_GNMUXCH);
-/* rt_printk("Channel %d: \n", insn->chanspec); */
+/* printk("Channel %d: \n", insn->chanspec); */
 	if (!insn->n) {
-		rt_printk("MPC624: Warning, no data to aquire\n");
+		printk("MPC624: Warning, no data to aquire\n");
 		return 0;
 	}
 
 	for (n = 0; n < insn->n; n++) {
 		/*  Trigger the convertion */
 		outb(MPC624_ADSCK, dev->iobase + MPC624_ADC);
-		comedi_udelay(1);
+		udelay(1);
 		outb(MPC624_ADCS | MPC624_ADSCK, dev->iobase + MPC624_ADC);
-		comedi_udelay(1);
+		udelay(1);
 		outb(0, dev->iobase + MPC624_ADC);
-		comedi_udelay(1);
+		udelay(1);
 
 		/*  Wait for the convertion to end */
 		for (i = 0; i < TIMEOUT; i++) {
 			ucPort = inb(dev->iobase + MPC624_ADC);
 			if (ucPort & MPC624_ADBUSY)
-				comedi_udelay(1000);
+				udelay(1000);
 			else
 				break;
 		}
 		if (i == TIMEOUT) {
-			rt_printk("MPC624: timeout (%dms)\n", TIMEOUT);
+			printk("MPC624: timeout (%dms)\n", TIMEOUT);
 			data[n] = 0;
 			return -ETIMEDOUT;
 		}
 		/*  Start reading data */
 		data_in = 0;
 		data_out = devpriv->ulConvertionRate;
-		comedi_udelay(1);
+		udelay(1);
 		for (i = 0; i < 32; i++) {
 			/*  Set the clock low */
 			outb(0, dev->iobase + MPC624_ADC);
-			comedi_udelay(1);
+			udelay(1);
 
 			if (data_out & (1 << 31))	/*  the next bit is a 1 */
 			{
 				/*  Set the ADSDI line (send to MPC624) */
 				outb(MPC624_ADSDI, dev->iobase + MPC624_ADC);
-				comedi_udelay(1);
+				udelay(1);
 				/*  Set the clock high */
 				outb(MPC624_ADSCK | MPC624_ADSDI,
 					dev->iobase + MPC624_ADC);
···
 			{
 				/*  Set the ADSDI line (send to MPC624) */
 				outb(0, dev->iobase + MPC624_ADC);
-				comedi_udelay(1);
+				udelay(1);
 				/*  Set the clock high */
 				outb(MPC624_ADSCK, dev->iobase + MPC624_ADC);
 			}
 			/*  Read ADSDO on high clock (receive from MPC624) */
-			comedi_udelay(1);
+			udelay(1);
 			data_in <<= 1;
 			data_in |=
 				(inb(dev->iobase +
 					MPC624_ADC) & MPC624_ADSDO) >> 4;
-			comedi_udelay(1);
+			udelay(1);
 
 			data_out <<= 1;
 		}
···
 		/*    00: sub-LSB */
 
 		if (data_in & MPC624_EOC_BIT)
-			rt_printk("MPC624: EOC bit is set (data_in=%lu)!",
+			printk("MPC624: EOC bit is set (data_in=%lu)!",
 				data_in);
 		if (data_in & MPC624_DMY_BIT)
-			rt_printk("MPC624: DMY bit is set (data_in=%lu)!",
+			printk("MPC624: DMY bit is set (data_in=%lu)!",
 				data_in);
 		if (data_in & MPC624_SGN_BIT)	/*  check the sign bit */
 		{		/*  The voltage is positive */

drivers/staging/comedi/drivers/ni_6527.c

···
 		devpriv->mite->daq_io_addr + Clear_Register);
 	writeb(0x00, devpriv->mite->daq_io_addr + Master_Interrupt_Control);
 
-	ret = comedi_request_irq(mite_irq(devpriv->mite), ni6527_interrupt,
-		IRQF_SHARED, "ni6527", dev);
+	ret = request_irq(mite_irq(devpriv->mite), ni6527_interrupt,
+			  IRQF_SHARED, "ni6527", dev);
 	if (ret < 0) {
 		printk(" irq not available");
 	} else
···
 	}
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 
 	if (devpriv && devpriv->mite) {

drivers/staging/comedi/drivers/ni_65xx.c

···
 			writeb(bits,
 				private(dev)->mite->daq_io_addr +
 				Port_Data(port));
-/* rt_printk("wrote 0x%x to port %i\n", bits, port); */
+/* printk("wrote 0x%x to port %i\n", bits, port); */
 		}
 		port_read_bits =
 			readb(private(dev)->mite->daq_io_addr +
 			Port_Data(port));
-/* rt_printk("read 0x%x from port %i\n", port_read_bits, port); */
+/* printk("read 0x%x from port %i\n", port_read_bits, port); */
 		if (bitshift > 0) {
 			port_read_bits <<= bitshift;
 		} else {
···
 	/* Set filter interval to 0  (32bit reg) */
 	writeb(0x00000000, private(dev)->mite->daq_io_addr + Filter_Interval);
 
-	ret = comedi_request_irq(dev->irq, ni_65xx_interrupt, IRQF_SHARED,
-		"ni_65xx", dev);
+	ret = request_irq(dev->irq, ni_65xx_interrupt, IRQF_SHARED,
+			  "ni_65xx", dev);
 	if (ret < 0) {
 		dev->irq = 0;
 		printk(" irq not available");
···
 	}
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 
 	if (private(dev)) {

drivers/staging/comedi/drivers/ni_660x.c

···
 		ni_660x_register = G3InterruptEnable;
 		break;
 	default:
-		rt_printk("%s: unhandled register 0x%x in switch.\n",
+		printk("%s: unhandled register 0x%x in switch.\n",
 			__func__, reg);
 		BUG();
 		return 0;
···
 		writel(bits, write_address);
 		break;
 	default:
-		rt_printk("%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
+		printk("%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
 			__FILE__, __func__, reg);
 		BUG();
 		break;
···
 		return readl(read_address);
 		break;
 	default:
-		rt_printk("%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
+		printk("%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
 			__FILE__, __func__, reg);
 		BUG();
 		break;
···
 	unsigned mite_channel, struct ni_gpct *counter)
 {
 	unsigned long flags;
-	comedi_spin_lock_irqsave(&private(dev)->soft_reg_copy_lock, flags);
+	spin_lock_irqsave(&private(dev)->soft_reg_copy_lock, flags);
 	private(dev)->dma_configuration_soft_copies[counter->chip_index] &=
 		~dma_select_mask(mite_channel);
 	private(dev)->dma_configuration_soft_copies[counter->chip_index] |=
···
 			chip_index] | dma_reset_bit(mite_channel),
 		DMAConfigRegister);
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&private(dev)->soft_reg_copy_lock, flags);
+	spin_unlock_irqrestore(&private(dev)->soft_reg_copy_lock, flags);
 }
 
 static inline void ni_660x_unset_dma_channel(struct comedi_device *dev,
 	unsigned mite_channel, struct ni_gpct *counter)
 {
 	unsigned long flags;
-	comedi_spin_lock_irqsave(&private(dev)->soft_reg_copy_lock, flags);
+	spin_lock_irqsave(&private(dev)->soft_reg_copy_lock, flags);
 	private(dev)->dma_configuration_soft_copies[counter->chip_index] &=
 		~dma_select_mask(mite_channel);
 	private(dev)->dma_configuration_soft_copies[counter->chip_index] |=
···
 		private(dev)->dma_configuration_soft_copies[counter->
 			chip_index], DMAConfigRegister);
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&private(dev)->soft_reg_copy_lock, flags);
+	spin_unlock_irqrestore(&private(dev)->soft_reg_copy_lock, flags);
 }
 
 static int ni_660x_request_mite_channel(struct comedi_device *dev,
···
 	unsigned long flags;
 	struct mite_channel *mite_chan;
 
-	comedi_spin_lock_irqsave(&private(dev)->mite_channel_lock, flags);
+	spin_lock_irqsave(&private(dev)->mite_channel_lock, flags);
 	BUG_ON(counter->mite_chan);
 	mite_chan =
 		mite_request_channel(private(dev)->mite, mite_ring(private(dev),
 			counter));
 	if (mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&private(dev)->mite_channel_lock,
+		spin_unlock_irqrestore(&private(dev)->mite_channel_lock,
 			flags);
 		comedi_error(dev,
 			"failed to reserve mite dma channel for counter.");
···
 	mite_chan->dir = direction;
 	ni_tio_set_mite_channel(counter, mite_chan);
 	ni_660x_set_dma_channel(dev, mite_chan->channel, counter);
-	comedi_spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
 	return 0;
 }
 
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&private(dev)->mite_channel_lock, flags);
+	spin_lock_irqsave(&private(dev)->mite_channel_lock, flags);
 	if (counter->mite_chan) {
 		struct mite_channel *mite_chan = counter->mite_chan;
 
···
 		ni_tio_set_mite_channel(counter, NULL);
 		mite_release_channel(mite_chan);
 	}
-	comedi_spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
 }
 
 static int ni_660x_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
···
 	if (dev->attached == 0)
 		return IRQ_NONE;
 	/* lock to avoid race with comedi_poll */
-	comedi_spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
+	spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
 	smp_mb();
 	for (i = 0; i < ni_660x_num_counters(dev); ++i) {
 		s = dev->subdevices + NI_660X_GPCT_SUBDEV(i);
 		ni_660x_handle_gpct_interrupt(dev, s);
 	}
-	comedi_spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
+	spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
 	return IRQ_HANDLED;
 }
 
···
 {
 	unsigned long flags;
 	/* lock to avoid race with comedi_poll */
-	comedi_spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
+	spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
 	mite_sync_input_dma(subdev_to_counter(s)->mite_chan, s->async);
-	comedi_spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
+	spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
 	return comedi_buf_read_n_available(s->async);
 }
 
···
 	for (i = 0; i < board(dev)->n_chips; ++i) {
 		set_tio_counterswap(dev, i);
 	}
-	ret = comedi_request_irq(mite_irq(private(dev)->mite),
-				 ni_660x_interrupt, IRQF_SHARED, "ni_660x",
-				 dev);
-
+	ret = request_irq(mite_irq(private(dev)->mite), ni_660x_interrupt,
+			  IRQF_SHARED, "ni_660x", dev);
 	if (ret < 0) {
 		printk(" irq not available\n");
 		return ret;
···
 
 	/* Free irq */
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (dev->private) {
 		if (private(dev)->counter_dev)

drivers/staging/comedi/drivers/ni_670x.c

···
 		mite_unsetup(devpriv->mite);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	return 0;
 }

drivers/staging/comedi/drivers/ni_at_a2150.c

···
 
 static void ni_dump_regs(struct comedi_device *dev)
 {
-	rt_printk("config bits 0x%x\n", devpriv->config_bits);
-	rt_printk("irq dma bits 0x%x\n", devpriv->irq_dma_bits);
-	rt_printk("status bits 0x%x\n", inw(dev->iobase + STATUS_REG));
+	printk("config bits 0x%x\n", devpriv->config_bits);
+	printk("irq dma bits 0x%x\n", devpriv->irq_dma_bits);
+	printk("status bits 0x%x\n", inw(dev->iobase + STATUS_REG));
 }
 
 #endif
···
 			printk(" invalid irq line %u\n", irq);
 			return -EINVAL;
 		}
-		if (comedi_request_irq(irq, a2150_interrupt, 0,
+		if (request_irq(irq, a2150_interrupt, 0,
 				driver_a2150.driver_name, dev)) {
 			printk("unable to allocate irq %u\n", irq);
 			return -EINVAL;
···
 	for (i = 0; i < timeout; i++) {
 		if ((DCAL_BIT & inw(dev->iobase + STATUS_REG)) == 0)
 			break;
-		comedi_udelay(1000);
+		udelay(1000);
 	}
 	if (i == timeout) {
 		printk(" timed out waiting for offset calibration to complete\n");
···
 	}
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (devpriv) {
 		if (devpriv->dma)
 			free_dma(devpriv->dma);
···
 		for (i = 0; i < timeout; i++) {
 			if (inw(dev->iobase + STATUS_REG) & FNE_BIT)
 				break;
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (i == timeout) {
 			comedi_error(dev, "timeout");
···
 		for (i = 0; i < timeout; i++) {
 			if (inw(dev->iobase + STATUS_REG) & FNE_BIT)
 				break;
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (i == timeout) {
 			comedi_error(dev, "timeout");
···
 #endif
 		data[n] = inw(dev->iobase + FIFO_DATA_REG);
 #ifdef A2150_DEBUG
-		rt_printk(" data is %i\n", data[n]);
+		printk(" data is %i\n", data[n]);
 #endif
 		data[n] ^= 0x8000;
 	}

drivers/staging/comedi/drivers/ni_atmio.c

···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	if ((addr) < 8) {
 		ni_writew(data, addr * 2);
 	} else {
 		ni_writew(addr, Window_Address);
 		ni_writew(data, Window_Data);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 }
 
 static uint16_t ni_atmio_win_in(struct comedi_device *dev, int addr)
···
 	unsigned long flags;
 	uint16_t ret;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	if (addr < 8) {
 		ret = ni_readw(addr * 2);
 	} else {
 		ni_writew(addr, Window_Address);
 		ret = ni_readw(Window_Data);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 
 	return ret;
 }
···
 	if (dev->iobase)
 		release_region(dev->iobase, NI_SIZE);
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (devpriv->isapnp_dev)
 		pnp_device_detach(devpriv->isapnp_dev);
···
 			return -EINVAL;
 		}
 		printk(" ( irq = %u )", irq);
-		ret = comedi_request_irq(irq, ni_E_interrupt,
-					  NI_E_IRQ_FLAGS, "ni_atmio", dev);
+		ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
+				  "ni_atmio", dev);
 
 		if (ret < 0) {
 			printk(" irq not available\n");

drivers/staging/comedi/drivers/ni_atmio16d.c

···
 		}
 		/* end waiting, now check if it timed out */
 		if (t == ATMIO16D_TIMEOUT) {
-			rt_printk("atmio16d: timeout\n");
+			printk("atmio16d: timeout\n");
 
 			return -ETIME;
 		}
···
 	irq = it->options[1];
 	if (irq) {
 
-		ret = comedi_request_irq(irq, atmio16d_interrupt,
-					  0, "atmio16d", dev);
+		ret = request_irq(irq, atmio16d_interrupt, 0, "atmio16d", dev);
 		if (ret < 0) {
 			printk("failed to allocate irq %u\n", irq);
 			return ret;
···
 		subdev_8255_cleanup(dev, dev->subdevices + 3);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	reset_atmio16d(dev);
 

drivers/staging/comedi/drivers/ni_daq_700.c

···
 	if (thisboard->bustype != pcmcia_bustype && dev->iobase)
 		release_region(dev->iobase, DIO700_SIZE);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	return 0;
 };

drivers/staging/comedi/drivers/ni_daq_dio24.c

···
 	if (thisboard->bustype != pcmcia_bustype && dev->iobase)
 		release_region(dev->iobase, DIO24_SIZE);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	return 0;
 };

drivers/staging/comedi/drivers/ni_labpc.c

···
 		isr_flags = 0;
 		if (thisboard->bustype == pci_bustype)
 			isr_flags |= IRQF_SHARED;
-		if (comedi_request_irq(irq, labpc_interrupt, isr_flags,
+		if (request_irq(irq, labpc_interrupt, isr_flags,
 				driver_labpc.driver_name, dev)) {
 			printk("unable to allocate irq %u\n", irq);
 			return -EINVAL;
···
 	if (devpriv->dma_chan)
 		free_dma(devpriv->dma_chan);
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (thisboard->bustype == isa_bustype && dev->iobase)
 		release_region(dev->iobase, LABPC_SIZE);
 #ifdef CONFIG_COMEDI_PCI
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits &= ~SWTRIG_BIT & ~HWTRIG_BIT & ~PRETRIG_BIT;
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	devpriv->command3_bits = 0;
 	devpriv->write_byte(devpriv->command3_bits, dev->iobase + COMMAND3_REG);
···
 	if (CR_CHAN(cmd->chanlist[0]) > CR_CHAN(cmd->chanlist[1]))
 		return MODE_MULT_CHAN_DOWN;
 
-	rt_printk("ni_labpc: bug! this should never happen\n");
+	printk("ni_labpc: bug! this should never happen\n");
 
 	return 0;
 }
···
 			}
 			break;
 		default:
-			rt_printk("ni_labpc: bug! in chanlist check\n");
+			printk("ni_labpc: bug! in chanlist check\n");
 			return 1;
 			break;
 		}
···
 	aref = CR_AREF(cmd->chanlist[0]);
 
 	/*  make sure board is disabled before setting up aquisition */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits &= ~SWTRIG_BIT & ~HWTRIG_BIT & ~PRETRIG_BIT;
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	devpriv->command3_bits = 0;
 	devpriv->write_byte(devpriv->command3_bits, dev->iobase + COMMAND3_REG);
···
 		devpriv->command1_bits |= ADC_SCAN_EN_BIT;
 		/* need a brief delay before enabling scan, or scan list will get screwed when you switch
 		 * between scan up to scan down mode - dunno why */
-		comedi_udelay(1);
+		udelay(1);
 		devpriv->write_byte(devpriv->command1_bits,
 			dev->iobase + COMMAND1_REG);
 	}
···
 
 	/*  command2 reg */
 	/*  use 2 cascaded counters for pacing */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits |= CASCADE_BIT;
 	switch (cmd->start_src) {
 	case TRIG_EXT:
···
 		return -1;
 	}
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return 0;
 }
···
 	unsigned long flags;
 
 	/*  disable timed conversions */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits &= ~SWTRIG_BIT & ~HWTRIG_BIT & ~PRETRIG_BIT;
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  disable interrupt generation and dma */
 	devpriv->command3_bits = 0;
···
 			if (devpriv->read_byte(dev->iobase +
 					STATUS1_REG) & DATA_AVAIL_BIT)
 				break;
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (i == timeout) {
 			comedi_error(dev, "timeout");
···
 	/*  turn off pacing of analog output channel */
 	/* note: hardware bug in daqcard-1200 means pacing cannot
 	 * be independently enabled/disabled for its the two channels */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits &= ~DAC_PACED_BIT(channel);
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	/*  set range */
 	if (thisboard->register_layout == labpc_1200_layout) {
···
 			devpriv->command5_bits |= SDATA_BIT;
 		else
 			devpriv->command5_bits &= ~SDATA_BIT;
-		comedi_udelay(1);
+		udelay(1);
 		devpriv->write_byte(devpriv->command5_bits,
 			dev->iobase + COMMAND5_REG);
 		/*  set clock to load bit */
 		devpriv->command5_bits |= SCLOCK_BIT;
-		comedi_udelay(1);
+		udelay(1);
 		devpriv->write_byte(devpriv->command5_bits,
 			dev->iobase + COMMAND5_REG);
 	}
···
 	for (i = 1; i <= value_width; i++) {
 		/*  set serial clock */
 		devpriv->command5_bits |= SCLOCK_BIT;
-		comedi_udelay(1);
+		udelay(1);
 		devpriv->write_byte(devpriv->command5_bits,
 			dev->iobase + COMMAND5_REG);
 		/*  clear clock bit */
 		devpriv->command5_bits &= ~SCLOCK_BIT;
-		comedi_udelay(1);
+		udelay(1);
 		devpriv->write_byte(devpriv->command5_bits,
 			dev->iobase + COMMAND5_REG);
 		/*  read bits most significant bit first */
-		comedi_udelay(1);
+		udelay(1);
 		devpriv->status2_bits =
 			devpriv->read_byte(dev->iobase + STATUS2_REG);
 		if (devpriv->status2_bits & EEPROM_OUT_BIT) {
···
 
 	/*  enable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 	devpriv->command5_bits |= EEPROM_EN_BIT | EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	/*  send read instruction */
···
 
 	/*  disable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT & ~EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	return value;
···
 
 	/*  enable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 	devpriv->command5_bits |= EEPROM_EN_BIT | EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	/*  send write_enable instruction */
 	labpc_serial_out(dev, write_enable_instruction, write_length);
 	devpriv->command5_bits &= ~EEPROM_EN_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	/*  send write instruction */
 	devpriv->command5_bits |= EEPROM_EN_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 	labpc_serial_out(dev, write_instruction, write_length);
 	/*  send 8 bit address to write to */
···
 	/*  write value */
 	labpc_serial_out(dev, value, write_length);
 	devpriv->command5_bits &= ~EEPROM_EN_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	/*  disable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT & ~EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	return 0;
···
 
 	/*  enable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 	devpriv->command5_bits |= EEPROM_EN_BIT | EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	/*  send read status instruction */
···
 
 	/*  disable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT & ~EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	return value;
···
 	/*  clear caldac load bit and make sure we don't write to eeprom */
 	devpriv->command5_bits &=
 		~CALDAC_LOAD_BIT & ~EEPROM_EN_BIT & ~EEPROM_WRITE_UNPROTECT_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 
 	/*  write 4 bit channel */
···
 
 	/*  set and clear caldac bit to load caldac value */
 	devpriv->command5_bits |= CALDAC_LOAD_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 	devpriv->command5_bits &= ~CALDAC_LOAD_BIT;
-	comedi_udelay(1);
+	udelay(1);
 	devpriv->write_byte(devpriv->command5_bits, dev->iobase + COMMAND5_REG);
 }
 

drivers/staging/comedi/drivers/ni_mio_common.c

···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags);
+	spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags);
 	switch (reg) {
 	case Interrupt_A_Enable_Register:
 		devpriv->int_a_enable_reg &= ~bit_mask;
···
 		ni_writeb(devpriv->g0_g1_select_reg, G0_G1_Select);
 		break;
 	default:
-		rt_printk("Warning %s() called with invalid register\n",
+		printk("Warning %s() called with invalid register\n",
 			__func__);
-		rt_printk("reg is %d\n", reg);
+		printk("reg is %d\n", reg);
 		break;
 	}
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags);
+	spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags);
 }
 
 #ifdef PCIDMA
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags);
+	spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags);
 	devpriv->cdio_dma_select_reg &= ~CDO_DMA_Select_Mask;
 	if (mite_channel >= 0) {
 		/*XXX just guessing ni_stc_dma_channel_select_bitfield() returns the right bits,
···
 	}
 	ni_writeb(devpriv->cdio_dma_select_reg, M_Offset_CDIO_DMA_Select);
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags);
+	spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags);
 }
 
 static int ni_request_ai_mite_channel(struct comedi_device *dev)
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	BUG_ON(devpriv->ai_mite_chan);
 	devpriv->ai_mite_chan =
 		mite_request_channel(devpriv->mite, devpriv->ai_mite_ring);
 	if (devpriv->ai_mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock,
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock,
 			flags);
 		comedi_error(dev,
 			"failed to reserve mite dma channel for analog input.");
···
 	}
 	devpriv->ai_mite_chan->dir = COMEDI_INPUT;
 	ni_set_ai_dma_channel(dev, devpriv->ai_mite_chan->channel);
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 	return 0;
 }
 
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	BUG_ON(devpriv->ao_mite_chan);
 	devpriv->ao_mite_chan =
 		mite_request_channel(devpriv->mite, devpriv->ao_mite_ring);
 	if (devpriv->ao_mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock,
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock,
 			flags);
 		comedi_error(dev,
 			"failed to reserve mite dma channel for analog outut.");
···
 	}
 	devpriv->ao_mite_chan->dir = COMEDI_OUTPUT;
 	ni_set_ao_dma_channel(dev, devpriv->ao_mite_chan->channel);
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 	return 0;
 }
 
···
 	struct mite_channel *mite_chan;
 
 	BUG_ON(gpct_index >= NUM_GPCT);
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	BUG_ON(devpriv->counter_dev->counters[gpct_index].mite_chan);
 	mite_chan =
 		mite_request_channel(devpriv->mite,
 		devpriv->gpct_mite_ring[gpct_index]);
 	if (mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock,
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock,
 			flags);
 		comedi_error(dev,
 			"failed to reserve mite dma channel for counter.");
···
 	ni_tio_set_mite_channel(&devpriv->counter_dev->counters[gpct_index],
 		mite_chan);
 	ni_set_gpct_dma_channel(dev, gpct_index, mite_chan->channel);
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 	return 0;
 }
 
···
 #ifdef PCIDMA
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	BUG_ON(devpriv->cdo_mite_chan);
 	devpriv->cdo_mite_chan =
 		mite_request_channel(devpriv->mite, devpriv->cdo_mite_ring);
 	if (devpriv->cdo_mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock,
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock,
 			flags);
 		comedi_error(dev,
 			"failed to reserve mite dma channel for correlated digital outut.");
···
 	}
 	devpriv->cdo_mite_chan->dir = COMEDI_OUTPUT;
 	ni_set_cdo_dma_channel(dev, devpriv->cdo_mite_chan->channel);
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 #endif /*  PCIDMA */
 	return 0;
 }
···
 #ifdef PCIDMA
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->ai_mite_chan) {
 		ni_set_ai_dma_channel(dev, -1);
 		mite_release_channel(devpriv->ai_mite_chan);
 		devpriv->ai_mite_chan = NULL;
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 #endif /*  PCIDMA */
 }
 
···
 #ifdef PCIDMA
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->ao_mite_chan) {
 		ni_set_ao_dma_channel(dev, -1);
 		mite_release_channel(devpriv->ao_mite_chan);
 		devpriv->ao_mite_chan = NULL;
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 #endif /*  PCIDMA */
 }
 
···
 	unsigned long flags;
 
 	BUG_ON(gpct_index >= NUM_GPCT);
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->counter_dev->counters[gpct_index].mite_chan) {
 		struct mite_channel *mite_chan =
 			devpriv->counter_dev->counters[gpct_index].mite_chan;
···
 			counters[gpct_index], NULL);
 		mite_release_channel(mite_chan);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 #endif /*  PCIDMA */
 }
 
···
 #ifdef PCIDMA
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->cdo_mite_chan) {
 		ni_set_cdo_dma_channel(dev, -1);
 		mite_release_channel(devpriv->cdo_mite_chan);
 		devpriv->cdo_mite_chan = NULL;
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 #endif /*  PCIDMA */
 }
 
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	ni_writew(addr, AO_Window_Address_611x);
 	ni_writew(data, AO_Window_Data_611x);
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 }
 
 static inline void ni_ao_win_outl(struct comedi_device *dev, uint32_t data, int addr)
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	ni_writew(addr, AO_Window_Address_611x);
 	ni_writel(data, AO_Window_Data_611x);
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 }
 
 static inline unsigned short ni_ao_win_inw(struct comedi_device *dev, int addr)
···
 	unsigned long flags;
 	unsigned short data;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	ni_writew(addr, AO_Window_Address_611x);
 	data = ni_readw(AO_Window_Data_611x);
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 	return data;
 }
 
···
 	smp_mb();		/*  make sure dev->attached is checked before handler does anything else. */
 
 	/*  lock to avoid race with comedi_poll */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 	a_status = devpriv->stc_readw(dev, AI_Status_1_Register);
 	b_status = devpriv->stc_readw(dev, AO_Status_1_Register);
 #ifdef PCIDMA
 	if (mite) {
 		unsigned long flags_too;
 
-		comedi_spin_lock_irqsave(&devpriv->mite_channel_lock,
-			flags_too);
+		spin_lock_irqsave(&devpriv->mite_channel_lock, flags_too);
 		if (devpriv->ai_mite_chan) {
 			ai_mite_status = mite_get_status(devpriv->ai_mite_chan);
 			if (ai_mite_status & CHSR_LINKC)
···
 					MITE_CHOR(devpriv->ao_mite_chan->
 						channel));
 		}
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock,
-			flags_too);
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags_too);
 	}
 #endif
 	ack_a_interrupt(dev, a_status);
···
 	handle_gpct_interrupt(dev, 1);
 	handle_cdio_interrupt(dev);
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 	return IRQ_HANDLED;
 }
 
···
 	struct comedi_subdevice *s = dev->subdevices + NI_AI_SUBDEV;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->ai_mite_chan)
 		mite_sync_input_dma(devpriv->ai_mite_chan, s->async);
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 }
 
 static void mite_handle_b_linkc(struct mite_struct *mite, struct comedi_device * dev)
···
 	struct comedi_subdevice *s = dev->subdevices + NI_AO_SUBDEV;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->ao_mite_chan) {
 		mite_sync_output_dma(devpriv->ao_mite_chan, s->async);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 }
 
 static int ni_ao_wait_for_dma_load(struct comedi_device *dev)
···
 			break;
 		/* if we poll too often, the pci bus activity seems
 		   to slow the dma transfer down */
-		comedi_udelay(10);
+		udelay(10);
 	}
 	if (i == timeout) {
 		comedi_error(dev, "timed out waiting for dma load");
···
 			ni_sync_ai_dma(dev);
 			if ((s->async->events & COMEDI_CB_EOS))
 				break;
-			comedi_udelay(1);
+			udelay(1);
 		}
 #else
 		ni_handle_fifo_dregs(dev);
···
 		return;
 
 #ifdef DEBUG_INTERRUPT
-	rt_printk
+	printk
 		("ni_mio_common: interrupt: a_status=%04x ai_mite_status=%08x\n",
 		status, ai_mite_status);
 	ni_mio_print_status_a(status);
···
 	if (ai_mite_status & ~(CHSR_INT | CHSR_LINKC | CHSR_DONE | CHSR_MRDY |
 			CHSR_DRDY | CHSR_DRQ1 | CHSR_DRQ0 | CHSR_ERROR |
 			CHSR_SABORT | CHSR_XFERR | CHSR_LxERR_mask)) {
-		rt_printk
+		printk
 			("unknown mite interrupt, ack! (ai_mite_status=%08x)\n",
 			ai_mite_status);
 		/* mite_print_chsr(ai_mite_status); */
···
 	if (status & (AI_Overrun_St | AI_Overflow_St | AI_SC_TC_Error_St |
 			AI_SC_TC_St | AI_START1_St)) {
 		if (status == 0xffff) {
-			rt_printk
+			printk
 				("ni_mio_common: a_status=0xffff.  Card removed?\n");
 			/* we probably aren't even running a command now,
 			 * so it's a good idea to be careful. */
···
 		}
 		if (status & (AI_Overrun_St | AI_Overflow_St |
 				AI_SC_TC_Error_St)) {
-			rt_printk("ni_mio_common: ai error a_status=%04x\n",
+			printk("ni_mio_common: ai error a_status=%04x\n",
 				status);
 			ni_mio_print_status_a(status);
 
···
 		}
 		if (status & AI_SC_TC_St) {
 #ifdef DEBUG_INTERRUPT
-			rt_printk("ni_mio_common: SC_TC interrupt\n");
+			printk("ni_mio_common: SC_TC interrupt\n");
 #endif
 			if (!devpriv->ai_continuous) {
 				shutdown_ai_command(dev);
···
 #ifdef DEBUG_INTERRUPT
 	status = devpriv->stc_readw(dev, AI_Status_1_Register);
 	if (status & Interrupt_A_St) {
-		rt_printk
+		printk
 			("handle_a_interrupt: didn't clear interrupt? status=0x%x\n",
 			status);
 	}
···
 	struct comedi_subdevice *s = dev->subdevices + NI_AO_SUBDEV;
 	/* unsigned short ack=0; */
 #ifdef DEBUG_INTERRUPT
-	rt_printk("ni_mio_common: interrupt: b_status=%04x m1_status=%08x\n",
+	printk("ni_mio_common: interrupt: b_status=%04x m1_status=%08x\n",
 		b_status, ao_mite_status);
 	ni_mio_print_status_b(b_status);
 #endif
···
 	if (ao_mite_status & ~(CHSR_INT | CHSR_LINKC | CHSR_DONE | CHSR_MRDY |
 			CHSR_DRDY | CHSR_DRQ1 | CHSR_DRQ0 | CHSR_ERROR |
 			CHSR_SABORT | CHSR_XFERR | CHSR_LxERR_mask)) {
-		rt_printk
+		printk
 			("unknown mite interrupt, ack! (ao_mite_status=%08x)\n",
 			ao_mite_status);
 		/* mite_print_chsr(ao_mite_status); */
···
 	if (b_status == 0xffff)
 		return;
 	if (b_status & AO_Overrun_St) {
-		rt_printk
+		printk
 			("ni_mio_common: AO FIFO underrun status=0x%04x status2=0x%04x\n",
 			b_status, devpriv->stc_readw(dev,
 				AO_Status_2_Register));
···
 
 		ret = ni_ao_fifo_half_empty(dev, s);
 		if (!ret) {
-			rt_printk("ni_mio_common: AO buffer underrun\n");
+			printk("ni_mio_common: AO buffer underrun\n");
 			ni_set_bits(dev, Interrupt_B_Enable_Register,
 				AO_FIFO_Interrupt_Enable |
 				AO_Error_Interrupt_Enable, 0);
···
 {
 	int i;
 
-	rt_printk("A status:");
+	printk("A status:");
 	for (i = 15; i >= 0; i--) {
 		if (status & (1 << i)) {
-			rt_printk(" %s", status_a_strings[i]);
+			printk(" %s", status_a_strings[i]);
 		}
 	}
-	rt_printk("\n");
+	printk("\n");
 }
 #endif
 
···
 {
 	int i;
 
-	rt_printk("B status:");
+	printk("B status:");
 	for (i = 15; i >= 0; i--) {
 		if (status & (1 << i)) {
-			rt_printk(" %s", status_b_strings[i]);
+			printk(" %s", status_b_strings[i]);
 		}
 	}
-	rt_printk("\n");
+	printk("\n");
 }
 #endif
 
···
 	unsigned long flags;
 	int retval = 0;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->ai_mite_chan) {
 		for (i = 0; i < timeout; i++) {
 			if ((devpriv->stc_readw(dev,
···
 				&& mite_bytes_in_transit(devpriv->
 					ai_mite_chan) == 0)
 				break;
-			comedi_udelay(5);
+			udelay(5);
 		}
 		if (i == timeout) {
-			rt_printk
+			printk
 				("ni_mio_common: wait for dma drain timed out\n");
-			rt_printk
+			printk
 				("mite_bytes_in_transit=%i, AI_Status1_Register=0x%x\n",
 				mite_bytes_in_transit(devpriv->ai_mite_chan),
 				devpriv->stc_readw(dev, AI_Status_1_Register));
 			retval = -1;
 		}
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 
 	ni_sync_ai_dma(dev);
 
···
 	retval = ni_request_ai_mite_channel(dev);
 	if (retval)
 		return retval;
-/* rt_printk("comedi_debug: using mite channel %i for ai.\n", devpriv->ai_mite_chan->channel); */
+/* printk("comedi_debug: using mite channel %i for ai.\n", devpriv->ai_mite_chan->channel); */
 
 	/* write alloc the entire buffer */
 	comedi_buf_write_alloc(s->async, s->async->prealloc_bufsz);
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
-	if (devpriv->ai_mite_chan == NULL)
-	{
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	if (devpriv->ai_mite_chan == NULL) {
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 		return -EIO;
 	}
 
···
 	};
 	/*start the MITE */
 	mite_dma_arm(devpriv->ai_mite_chan);
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 
 	return 0;
 }
···
 	/* read alloc the entire buffer */
 	comedi_buf_read_alloc(s->async, s->async->prealloc_bufsz);
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->ao_mite_chan) {
 		if (boardtype.reg_type & (ni_reg_611x | ni_reg_6713)) {
 			mite_prep_dma(devpriv->ao_mite_chan, 32, 32);
···
 		mite_dma_arm(devpriv->ao_mite_chan);
 	} else
 		retval = -EIO;
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 
 	return retval;
 }
···
 
 	/*  lock to avoid race with interrupt handler */
 	if (in_interrupt() == 0)
-		comedi_spin_lock_irqsave(&dev->spinlock, flags);
+		spin_lock_irqsave(&dev->spinlock, flags);
 #ifndef PCIDMA
 	ni_handle_fifo_dregs(dev);
 #else
···
 #endif
 	count = s->async->buf_write_count - s->async->buf_read_count;
 	if (in_interrupt() == 0)
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return count;
 }
···
 		for (n = 0; n < num_adc_stages_611x; n++) {
 			devpriv->stc_writew(dev, AI_CONVERT_Pulse,
 				AI_Command_1_Register);
-			comedi_udelay(1);
+			udelay(1);
 		}
 		for (n = 0; n < insn->n; n++) {
 			devpriv->stc_writew(dev, AI_CONVERT_Pulse,
···
 				}
 			}
 			if (i == NI_TIMEOUT) {
-				rt_printk
+				printk
 					("ni_mio_common: timeout in 611x ni_ai_insn_read\n");
 				return -ETIME;
 			}
···
 				}
 			}
 			if (i == NI_TIMEOUT) {
-				rt_printk
+				printk
 					("ni_mio_common: timeout in 6143 ni_ai_insn_read\n");
 				return -ETIME;
 			}
···
 					break;
 			}
 			if (i == NI_TIMEOUT) {
-				rt_printk
+				printk
 					("ni_mio_common: timeout in ni_ai_insn_read\n");
 				return -ETIME;
 			}
···
 			devpriv->stc_writew(dev, 1, ADC_FIFO_Clear);
 			return;
 		}
-		comedi_udelay(1);
+		udelay(1);
 	}
-	rt_printk("ni_mio_common: timeout loading channel/gain list\n");
+	printk("ni_mio_common: timeout loading channel/gain list\n");
 }
 
 static void ni_m_series_load_channelgain_list(struct comedi_device *dev,
···
 				M_Offset_AO_Reference_Attenuation(chan));
 			break;
 		default:
-			rt_printk("%s: bug! unhandled ao reference voltage\n",
+			printk("%s: bug! unhandled ao reference voltage\n",
 				__func__);
 			break;
 		}
···
 			conf |= MSeries_AO_DAC_Offset_5V_Bits;
 			break;
 		default:
-			rt_printk("%s: bug! unhandled ao offset voltage\n",
+			printk("%s: bug! unhandled ao offset voltage\n",
 				__func__);
 			break;
 		}
···
 	devpriv->stc_writew(dev, devpriv->ao_mode3, AO_Mode_3_Register);
 	/* wait for DACs to be loaded */
 	for (i = 0; i < timeout; i++) {
-		comedi_udelay(1);
+		udelay(1);
 		if ((devpriv->stc_readw(dev,
 					Joint_Status_2_Register) &
 				AO_TMRDACWRs_In_Progress_St) == 0)
···
 	struct comedi_insn *insn, unsigned int *data)
 {
 #ifdef DEBUG_DIO
-	rt_printk("ni_dio_insn_config() chan=%d io=%d\n",
+	printk("ni_dio_insn_config() chan=%d io=%d\n",
 		CR_CHAN(insn->chanspec), data[0]);
 #endif
 	switch (data[0]) {
···
 	struct comedi_insn *insn, unsigned int *data)
 {
 #ifdef DEBUG_DIO
-	rt_printk("ni_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0], data[1]);
+	printk("ni_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0], data[1]);
 #endif
 	if (insn->n != 2)
 		return -EINVAL;
···
 	struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data)
 {
 #ifdef DEBUG_DIO
-	rt_printk("ni_m_series_dio_insn_config() chan=%d io=%d\n",
+	printk("ni_m_series_dio_insn_config() chan=%d io=%d\n",
 		CR_CHAN(insn->chanspec), data[0]);
 #endif
 	switch (data[0]) {
···
 	struct comedi_insn *insn, unsigned int *data)
 {
 #ifdef DEBUG_DIO
-	rt_printk("ni_m_series_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0],
+	printk("ni_m_series_dio_insn_bits() mask=0x%x bits=0x%x\n", data[0],
 		data[1]);
 #endif
 	if (insn->n != 2)
···
 	comedi_buf_read_alloc(s->async, s->async->prealloc_bufsz);
 
 #ifdef PCIDMA
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->cdo_mite_chan) {
 		mite_prep_dma(devpriv->cdo_mite_chan, 32, 32);
 		mite_dma_arm(devpriv->cdo_mite_chan);
···
 		comedi_error(dev, "BUG: no cdo mite channel?");
 		retval = -EIO;
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 	if (retval < 0)
 		return retval;
 #endif
···
 	for (i = 0; i < timeout; ++i) {
 		if (ni_readl(M_Offset_CDIO_Status) & CDO_FIFO_Full_Bit)
 			break;
-		comedi_udelay(10);
+		udelay(10);
 	}
 	if (i == timeout) {
 		comedi_error(dev, "dma failed to fill cdo fifo!");
···
 		return;
 	}
 #ifdef PCIDMA
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->cdo_mite_chan) {
 		unsigned cdo_mite_status =
 			mite_get_status(devpriv->cdo_mite_chan);
···
 		}
 		mite_sync_output_dma(devpriv->cdo_mite_chan, s->async);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 #endif
 
 	cdio_status = ni_readl(M_Offset_CDIO_Status);
 	if (cdio_status & (CDO_Overrun_Bit | CDO_Underflow_Bit)) {
-/* rt_printk("cdio error: statux=0x%x\n", cdio_status); */
+/* printk("cdio error: statux=0x%x\n", cdio_status); */
 		ni_writel(CDO_Error_Interrupt_Confirm_Bit, M_Offset_CDIO_Command);	/*  XXX just guessing this is needed and does something useful */
 		s->async->events |= COMEDI_CB_OVERFLOW;
 	}
 	if (cdio_status & CDO_FIFO_Empty_Bit) {
-/* rt_printk("cdio fifo empty\n"); */
+/* printk("cdio fifo empty\n"); */
 		ni_writel(CDO_Empty_FIFO_Interrupt_Enable_Clear_Bit,
 			M_Offset_CDIO_Command);
 /* s->async->events |= COMEDI_CB_EOA; */
···
 	case INSN_CONFIG_SERIAL_CLOCK:
 
 #ifdef DEBUG_DIO
-		rt_printk("SPI serial clock Config cd\n", data[1]);
+		printk("SPI serial clock Config cd\n", data[1]);
 #endif
 		devpriv->serial_hw_mode = 1;
 		devpriv->dio_control |= DIO_HW_Serial_Enable;
···
 			err = ni_serial_sw_readwrite8(dev, s, byte_out,
 				&byte_in);
 		} else {
-			rt_printk("ni_serial_insn_config: serial disabled!\n");
+			printk("ni_serial_insn_config: serial disabled!\n");
 			return -EINVAL;
 		}
 		if (err < 0)
···
 	int err = 0, count = 20;
 
 #ifdef DEBUG_DIO
-	rt_printk("ni_serial_hw_readwrite8: outputting 0x%x\n", data_out);
+	printk("ni_serial_hw_readwrite8: outputting 0x%x\n", data_out);
 #endif
 
 	devpriv->dio_output &= ~DIO_Serial_Data_Mask;
···
 				Joint_Status_1_Register)) &
 		DIO_Serial_IO_In_Progress_St) {
 		/* Delay one bit per loop */
-		comedi_udelay((devpriv->serial_interval_ns + 999) / 1000);
+		udelay((devpriv->serial_interval_ns + 999) / 1000);
 		if (--count < 0) {
-			rt_printk
+			printk
 				("ni_serial_hw_readwrite8: SPI serial I/O didn't finish in time!\n");
 			err = -ETIME;
 			goto Error;
···
 
 	/* Delay for last bit. This delay is absolutely necessary, because
 	   DIO_Serial_IO_In_Progress_St goes high one bit too early. */
-	comedi_udelay((devpriv->serial_interval_ns + 999) / 1000);
+	udelay((devpriv->serial_interval_ns + 999) / 1000);
 
 	if (data_in != NULL) {
 		*data_in = devpriv->stc_readw(dev, DIO_Serial_Input_Register);
 #ifdef DEBUG_DIO
-		rt_printk("ni_serial_hw_readwrite8: inputted 0x%x\n", *data_in);
+		printk("ni_serial_hw_readwrite8: inputted 0x%x\n", *data_in);
 #endif
 	}
 
···
 	unsigned char mask, input = 0;
 
 #ifdef DEBUG_DIO
-	rt_printk("ni_serial_sw_readwrite8: outputting 0x%x\n", data_out);
+	printk("ni_serial_sw_readwrite8: outputting 0x%x\n", data_out);
 #endif
 
 	/* Wait for one bit before transfer */
-	comedi_udelay((devpriv->serial_interval_ns + 999) / 1000);
+	udelay((devpriv->serial_interval_ns + 999) / 1000);
 
 	for (mask = 0x80; mask; mask >>= 1) {
 		/* Output current bit; note that we cannot touch s->state
···
 		devpriv->stc_writew(dev, devpriv->dio_control,
 			DIO_Control_Register);
 
-		comedi_udelay((devpriv->serial_interval_ns + 999) / 2000);
+		udelay((devpriv->serial_interval_ns + 999) / 2000);
 
 		devpriv->dio_control &= ~DIO_Software_Serial_Control;
 		devpriv->stc_writew(dev, devpriv->dio_control,
 			DIO_Control_Register);
 
-		comedi_udelay((devpriv->serial_interval_ns + 999) / 2000);
+		udelay((devpriv->serial_interval_ns + 999) / 2000);
 
 		/* Input current bit */
 		if (devpriv->stc_readw(dev,
 				DIO_Parallel_Input_Register) & DIO_SDIN) {
-/*			rt_printk("DIO_P_I_R: 0x%x\n", devpriv->stc_readw(dev, DIO_Parallel_Input_Register)); */
+/*			printk("DIO_P_I_R: 0x%x\n", devpriv->stc_readw(dev, DIO_Parallel_Input_Register)); */
 			input |= mask;
 		}
 	}
 #ifdef DEBUG_DIO
-	rt_printk("ni_serial_sw_readwrite8: inputted 0x%x\n", input);
+	printk("ni_serial_sw_readwrite8: inputted 0x%x\n", input);
 #endif
 	if (data_in)
 		*data_in = input;
···
 		stc_register = Interrupt_B_Enable_Register;
 		break;
 	default:
-		rt_printk("%s: unhandled register 0x%x in switch.\n",
+		printk("%s: unhandled register 0x%x in switch.\n",
 			__func__, reg);
 		BUG();
 		return 0;
···
 
 	for (bit = 1 << (bits - 1); bit; bit >>= 1) {
 		ni_writeb(((bit & bitstring) ? 0x02 : 0), Serial_Command);
-		comedi_udelay(1);
+		udelay(1);
 		ni_writeb(1 | ((bit & bitstring) ? 0x02 : 0), Serial_Command);
-		comedi_udelay(1);
+		udelay(1);
 	}
 	ni_writeb(loadbit, Serial_Command);
-	comedi_udelay(1);
+	udelay(1);
 	ni_writeb(0, Serial_Command);
 }
 
···
 		return NI_PFI_OUTPUT_G_GATE0;
 		break;
 	default:
-		rt_printk("%s: bug, unhandled case in switch.\n", __func__);
+		printk("%s: bug, unhandled case in switch.\n", __func__);
 		break;
 	}
 	return 0;
···
 	/*  Set clock mode to internal */
 	devpriv->clock_and_fout2 = MSeries_RTSI_10MHz_Bit;
 	if (ni_set_master_clock(dev, NI_MIO_INTERNAL_CLOCK, 0) < 0) {
-		rt_printk("ni_set_master_clock failed, bug?");
+		printk("ni_set_master_clock failed, bug?");
 	}
 	/*  default internal lines routing to RTSI bus lines */
 	devpriv->rtsi_trig_a_output_reg =
···
 		}
 	}
 	if (best_period_picosec == 0) {
-		rt_printk("%s: bug, failed to find pll parameters\n",
+		printk("%s: bug, failed to find pll parameters\n",
 			__func__);
 		return -EIO;
 	}
···
 		period_ns = 100;
 	/*  these limits are somewhat arbitrary, but NI advertises 1 to 20MHz range so we'll use that */
 	if (period_ns < min_period_ns || period_ns > max_period_ns) {
-		rt_printk
+		printk
 			("%s: you must specify an input clock frequency between %i and %i nanosec "
 			"for the phased-lock loop.\n", __func__,
 			min_period_ns, max_period_ns);
···
 		MSeries_PLL_Divisor_Bits(freq_divider) |
 		MSeries_PLL_Multiplier_Bits(freq_multiplier);
 
-	/* rt_printk("using divider=%i, multiplier=%i for PLL. pll_control_bits = 0x%x\n",
+	/* printk("using divider=%i, multiplier=%i for PLL. pll_control_bits = 0x%x\n",
 	 * freq_divider, freq_multiplier, pll_control_bits); */
-	/* rt_printk("clock_ns=%d\n", devpriv->clock_ns); */
+	/* printk("clock_ns=%d\n", devpriv->clock_ns); */
 	ni_writew(pll_control_bits, M_Offset_PLL_Control);
 	devpriv->clock_source = source;
 	/* it seems to typically take a few hundred microseconds for PLL to lock */
···
 		udelay(1);
 	}
 	if (i == timeout) {
-		rt_printk
+		printk
 			("%s: timed out waiting for PLL to lock to reference clock source %i with period %i ns.\n",
 			__func__, source, period_ns);
 		return -ETIMEDOUT;
···
 					devpriv->rtsi_trig_direction_reg,
 					RTSI_Trig_Direction_Register);
 				if (period_ns == 0) {
-					rt_printk
+					printk
 						("%s: we don't handle an unspecified clock period correctly yet, returning error.\n",
 						__func__);
 					return -EINVAL;
···
 			if (source == NI_RTSI_OUTPUT_RTSI_OSC)
 				return 1;
 			else {
-				rt_printk
+				printk
 					("%s: invalid source for channel=%i, channel %i is always the RTSI clock for pre-m-series boards.\n",
 					__func__, chan,
 					old_RTSI_clock_channel);
···
 	} else {
 		if (chan == old_RTSI_clock_channel)
 			return NI_RTSI_OUTPUT_RTSI_OSC;
-		rt_printk("%s: bug! should never get here?\n", __func__);
+		printk("%s: bug! should never get here?\n", __func__);
 		return 0;
 	}
 }
···
 	}
 /* printk("looped %i times waiting for idle\n", i); */
 	if (i == timeout) {
-		rt_printk("%s: %s: timeout\n", __FILE__, __func__);
+		printk("%s: %s: timeout\n", __FILE__, __func__);
 		return -ETIME;
 	}
 	return 0;
···
 	for (i = 0; i < timeout; i++) {
 		if ((ni_ao_win_inw(dev, CAL_ADC_Status_67xx) & CSS_ADC_BUSY))
 			break;
-		comedi_udelay(1);
+		udelay(1);
 	}
 /* printk("looped %i times writing command to cs5529\n", i); */
 	if (i == timeout) {
···
 	}
 	status = ni_ao_win_inw(dev, CAL_ADC_Status_67xx);
 	if (status & CSS_OSC_DETECT) {
-		rt_printk
+		printk
 			("ni_mio_common: cs5529 conversion error, status CSS_OSC_DETECT\n");
 		return -EIO;
 	}
 	if (status & CSS_OVERRANGE) {
-		rt_printk
+		printk
 			("ni_mio_common: cs5529 conversion error, overrange (ignoring)\n");
 	}
 	if (data) {
···
 		comedi_error(dev, "timeout or signal in init_cs5529()\n");
 #endif
 #ifdef NI_CS5529_DEBUG
-	rt_printk("config: 0x%x\n", cs5529_config_read(dev,
+	printk("config: 0x%x\n", cs5529_config_read(dev,
 		CSCMD_CONFIG_REGISTER));
-	rt_printk("gain: 0x%x\n", cs5529_config_read(dev,
+	printk("gain: 0x%x\n", cs5529_config_read(dev,
 		CSCMD_GAIN_REGISTER));
-	rt_printk("offset: 0x%x\n", cs5529_config_read(dev,
+	printk("offset: 0x%x\n", cs5529_config_read(dev,
 		CSCMD_OFFSET_REGISTER));
 #endif
 	return 0;

drivers/staging/comedi/drivers/ni_mio_cs.c

···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	if (addr < 8) {
 		ni_writew(data, addr * 2);
 	} else {
 		ni_writew(addr, Window_Address);
 		ni_writew(data, Window_Data);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 }
 
 static uint16_t mio_cs_win_in(struct comedi_device *dev, int addr)
···
 	unsigned long flags;
 	uint16_t ret;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	if (addr < 8) {
 		ret = ni_readw(addr * 2);
 	} else {
 		ni_writew(addr, Window_Address);
 		ret = ni_readw(Window_Data);
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 
 	return ret;
 }
···
 	/* PCMCIA layer frees the IO region */
 
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 
 	return 0;
···
 	printk(" %s", boardtype.name);
 	dev->board_name = boardtype.name;
 
-	ret = comedi_request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
+	ret = request_irq(irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
 				 "ni_mio_cs", dev);
 	if (ret < 0) {
 		printk(" irq not available\n");

drivers/staging/comedi/drivers/ni_pcidio.c

···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	BUG_ON(devpriv->di_mite_chan);
 	devpriv->di_mite_chan =
 		mite_request_channel_in_range(devpriv->mite,
 		devpriv->di_mite_ring, 1, 2);
 	if (devpriv->di_mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock,
-			flags);
+		spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 		comedi_error(dev, "failed to reserve mite dma channel.");
 		return -EBUSY;
 	}
···
 		secondary_DMAChannel_bits(devpriv->di_mite_chan->channel),
 		devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 	return 0;
 }
 
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
 	if (devpriv->di_mite_chan) {
 		mite_dma_disarm(devpriv->di_mite_chan);
 		mite_dma_reset(devpriv->di_mite_chan);
···
 			devpriv->mite->daq_io_addr + DMA_Line_Control_Group1);
 		mmiowb();
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
 }
 
 static int nidio96_8255_cb(int dir, int port, int data, unsigned long iobase)
···
 	/* printk("buf[0]=%08x\n",*(unsigned int *)async->prealloc_buf); */
 	/* printk("buf[4096]=%08x\n",*(unsigned int *)(async->prealloc_buf+4096)); */
 
-	comedi_spin_lock_irqsave(&devpriv->mite_channel_lock, irq_flags);
+	spin_lock_irqsave(&devpriv->mite_channel_lock, irq_flags);
 	if (devpriv->di_mite_chan)
 		m_status = mite_get_status(devpriv->di_mite_chan);
 #ifdef MITE_DEBUG
···
 			disable_irq(dev->irq);
 		}
 	}
-	comedi_spin_unlock_irqrestore(&devpriv->mite_channel_lock, irq_flags);
+	spin_unlock_irqrestore(&devpriv->mite_channel_lock, irq_flags);
 
 	while (status & DataLeft) {
 		work++;
···
 			devpriv->mite->daq_io_addr +
 			Master_DMA_And_Interrupt_Control);
 
-		ret = comedi_request_irq(irq, nidio_interrupt, IRQF_SHARED,
-			"ni_pcidio", dev);
+		ret = request_irq(irq, nidio_interrupt, IRQF_SHARED,
+				  "ni_pcidio", dev);
 		if (ret < 0) {
 			printk(" irq not available");
 		}
···
 	}
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (devpriv) {
 		if (devpriv->di_mite_ring) {

drivers/staging/comedi/drivers/ni_pcimio.c

···
 
 	need to slow down DAC loading.  I don't trust NI's claim that
 	two writes to the PCI bus slows IO enough.  I would prefer to
-	use comedi_udelay().  Timing specs: (clock)
+	use udelay().  Timing specs: (clock)
 		AD8522		30ns
 		DAC8043		120ns
 		DAC8800		60ns
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	ni_writew(reg, Window_Address);
 	ni_writew(data, Window_Data);
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 }
 
 static uint16_t e_series_win_in(struct comedi_device *dev, int reg)
···
 	unsigned long flags;
 	uint16_t ret;
 
-	comedi_spin_lock_irqsave(&devpriv->window_lock, flags);
+	spin_lock_irqsave(&devpriv->window_lock, flags);
 	ni_writew(reg, Window_Address);
 	ret = ni_readw(Window_Data);
-	comedi_spin_unlock_irqrestore(&devpriv->window_lock, flags);
+	spin_unlock_irqrestore(&devpriv->window_lock, flags);
 
 	return ret;
 }
···
 		offset = M_Offset_AO_FIFO_Clear;
 		break;
 	case DIO_Control_Register:
-		rt_printk
+		printk
 			("%s: FIXME: register 0x%x does not map cleanly on to m-series boards.\n",
 			__func__, reg);
 		return;
···
 		/* FIXME: DIO_Output_Register (16 bit reg) is replaced by M_Offset_Static_Digital_Output (32 bit)
 		   and M_Offset_SCXI_Serial_Data_Out (8 bit) */
 	default:
-		rt_printk("%s: bug! unhandled register=0x%x in switch.\n",
+		printk("%s: bug! unhandled register=0x%x in switch.\n",
 			__func__, reg);
 		BUG();
 		return;
···
 		offset = M_Offset_G01_Status;
 		break;
 	default:
-		rt_printk("%s: bug! unhandled register=0x%x in switch.\n",
+		printk("%s: bug! unhandled register=0x%x in switch.\n",
 			__func__, reg);
 		BUG();
 		return 0;
···
 		offset = M_Offset_G1_Load_B;
 		break;
 	default:
-		rt_printk("%s: bug! unhandled register=0x%x in switch.\n",
+		printk("%s: bug! unhandled register=0x%x in switch.\n",
 			__func__, reg);
 		BUG();
 		return;
···
 		offset = M_Offset_G1_Save;
 		break;
 	default:
-		rt_printk("%s: bug! unhandled register=0x%x in switch.\n",
+		printk("%s: bug! unhandled register=0x%x in switch.\n",
 			__func__, reg);
 		BUG();
 		return 0;
···
 {
 	mio_common_detach(dev);
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 	if (dev->private) {
 		mite_free_ring(devpriv->ai_mite_ring);
···
 		printk(" unknown irq (bad)\n");
 	} else {
 		printk(" ( irq = %u )", dev->irq);
-		ret = comedi_request_irq(dev->irq, ni_E_interrupt,
-					 NI_E_IRQ_FLAGS, DRV_NAME,
-					 dev);
+		ret = request_irq(dev->irq, ni_E_interrupt, NI_E_IRQ_FLAGS,
+				  DRV_NAME, dev);
 		if (ret < 0) {
 			printk(" irq not available\n");
 			dev->irq = 0;

drivers/staging/comedi/drivers/ni_stc.h

···
 		max_channel = 6;
 	}
 	if (channel > max_channel) {
-		rt_printk("%s: bug, invalid RTSI_channel=%i\n", __func__,
+		printk("%s: bug, invalid RTSI_channel=%i\n", __func__,
 			channel);
 		return 0;
 	}
···
 		0x263,
 	};
 	if (((unsigned)i) >= ARRAY_SIZE(offset)) {
-		rt_printk("%s: invalid channel=%i\n", __func__, i);
+		printk("%s: invalid channel=%i\n", __func__, i);
 		return offset[0];
 	}
 	return offset[i];
···
 		0x267
 	};
 	if (((unsigned)channel) >= ARRAY_SIZE(offset)) {
-		rt_printk("%s: invalid channel=%i\n", __func__, channel);
+		printk("%s: invalid channel=%i\n", __func__, channel);
 		return offset[0];
 	}
 	return offset[channel];
···
 static inline unsigned M_Offset_PFI_Output_Select(unsigned n)
 {
 	if (n < 1 || n > NUM_PFI_OUTPUT_SELECT_REGS) {
-		rt_printk("%s: invalid pfi output select register=%i\n",
+		printk("%s: invalid pfi output select register=%i\n",
 			__func__, n);
 		return M_Offset_PFI_Output_Select_1;
 	}
···
 	RTSI_channel)
 {
 	if (RTSI_channel > 7) {
-		rt_printk("%s: bug, invalid RTSI_channel=%i\n", __func__,
+		printk("%s: bug, invalid RTSI_channel=%i\n", __func__,
 			RTSI_channel);
 		return 0;
 	}
···
 {
 	static const unsigned max_divisor = 0x10;
 	if (divisor < 1 || divisor > max_divisor) {
-		rt_printk("%s: bug, invalid divisor=%i\n", __func__,
+		printk("%s: bug, invalid divisor=%i\n", __func__,
 			divisor);
 		return 0;
 	}
···
 {
 	static const unsigned max_multiplier = 0x100;
 	if (multiplier < 1 || multiplier > max_multiplier) {
-		rt_printk("%s: bug, invalid multiplier=%i\n", __func__,
+		printk("%s: bug, invalid multiplier=%i\n", __func__,
 			multiplier);
 		return 0;
 	}

drivers/staging/comedi/drivers/ni_tio.c

···
 		}
 		if (i <= ni_m_series_max_pfi_channel)
 			break;
-		rt_printk("invalid clock source 0x%lx\n",
+		printk("invalid clock source 0x%lx\n",
 			(unsigned long)clock_source);
 		BUG();
 		ni_m_series_clock = 0;
···
 		counter_dev->regs[abz_reg] &= ~mask;
 		counter_dev->regs[abz_reg] |= (source << shift) & mask;
 		write_register(counter, counter_dev->regs[abz_reg], abz_reg);
-/* rt_printk("%s %x %d %d\n", __func__, counter_dev->regs[abz_reg], index, source); */
+/* printk("%s %x %d %d\n", __func__, counter_dev->regs[abz_reg], index, source); */
 		return 0;
 	}
 	return -EINVAL;

drivers/staging/comedi/drivers/ni_tio_internal.h

···
 	unsigned long flags;
 
 	BUG_ON(register_index >= NITIO_Num_Registers);
-	comedi_spin_lock_irqsave(&counter_dev->regs_lock, flags);
+	spin_lock_irqsave(&counter_dev->regs_lock, flags);
 	counter_dev->regs[register_index] &= ~bit_mask;
 	counter_dev->regs[register_index] |= (bit_values & bit_mask);
 	write_register(counter,
 		counter_dev->regs[register_index] | transient_bit_values,
 		register_index);
 	mmiowb();
-	comedi_spin_unlock_irqrestore(&counter_dev->regs_lock, flags);
+	spin_unlock_irqrestore(&counter_dev->regs_lock, flags);
 }
 
 /* ni_tio_set_bits( ) is for safely writing to registers whose bits may be
···
 	unsigned value;
 
 	BUG_ON(register_index >= NITIO_Num_Registers);
-	comedi_spin_lock_irqsave(&counter_dev->regs_lock, flags);
+	spin_lock_irqsave(&counter_dev->regs_lock, flags);
 	value = counter_dev->regs[register_index];
-	comedi_spin_unlock_irqrestore(&counter_dev->regs_lock, flags);
+	spin_unlock_irqrestore(&counter_dev->regs_lock, flags);
 	return value;
 }
 

drivers/staging/comedi/drivers/ni_tiocmd.c

···
 	if (trignum != 0)
 		return -EINVAL;
 
-	comedi_spin_lock_irqsave(&counter->lock, flags);
+	spin_lock_irqsave(&counter->lock, flags);
 	if (counter->mite_chan)
 		mite_dma_arm(counter->mite_chan);
 	else
 		retval = -EIO;
-	comedi_spin_unlock_irqrestore(&counter->lock, flags);
+	spin_unlock_irqrestore(&counter->lock, flags);
 	if (retval < 0)
 		return retval;
 	retval = ni_tio_arm(counter, 1, NI_GPCT_ARM_IMMEDIATE);
···
 
 static int ni_tio_output_cmd(struct ni_gpct *counter, struct comedi_async *async)
 {
-	rt_printk("ni_tio: output commands not yet implemented.\n");
+	printk("ni_tio: output commands not yet implemented.\n");
 	return -ENOTSUPP;
 
 	counter->mite_chan->dir = COMEDI_OUTPUT;
···
 	int retval = 0;
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&counter->lock, flags);
+	spin_lock_irqsave(&counter->lock, flags);
 	if (counter->mite_chan == NULL) {
-		rt_printk
+		printk
 			("ni_tio: commands only supported with DMA.  Interrupt-driven commands not yet implemented.\n");
 		retval = -EIO;
 	} else {
···
 			}
 		}
 	}
-	comedi_spin_unlock_irqrestore(&counter->lock, flags);
+	spin_unlock_irqrestore(&counter->lock, flags);
 	return retval;
 }
 
···
 	unsigned long flags;
 
 	ni_tio_arm(counter, 0, 0);
-	comedi_spin_lock_irqsave(&counter->lock, flags);
+	spin_lock_irqsave(&counter->lock, flags);
 	if (counter->mite_chan) {
 		mite_dma_disarm(counter->mite_chan);
 	}
-	comedi_spin_unlock_irqrestore(&counter->lock, flags);
+	spin_unlock_irqrestore(&counter->lock, flags);
 	ni_tio_configure_dma(counter, 0, 0);
 
 	ni_tio_set_bits(counter,
···
 		return 1;
 		break;
 	case ni_gpct_variant_e_series:
-		comedi_spin_lock_irqsave(&counter->lock, flags);
+		spin_lock_irqsave(&counter->lock, flags);
 		{
 			if (counter->mite_chan == NULL ||
 				counter->mite_chan->dir != COMEDI_INPUT ||
···
 				retval = 1;
 			}
 		}
-		comedi_spin_unlock_irqrestore(&counter->lock, flags);
+		spin_unlock_irqrestore(&counter->lock, flags);
 		break;
 	}
 	return retval;
···
 				NITIO_Gxx_Joint_Status2_Reg(counter->
 					counter_index)) &
 			Gi_Permanent_Stale_Bit(counter->counter_index)) {
-			rt_printk("%s: Gi_Permanent_Stale_Data detected.\n",
+			printk("%s: Gi_Permanent_Stale_Data detected.\n",
 				__FUNCTION__);
 			if (perm_stale_data)
 				*perm_stale_data = 1;
···
 	ni_tio_acknowledge_and_confirm(counter, &gate_error, &tc_error,
 		&perm_stale_data, NULL);
 	if (gate_error) {
-		rt_printk("%s: Gi_Gate_Error detected.\n", __FUNCTION__);
+		printk("%s: Gi_Gate_Error detected.\n", __FUNCTION__);
 		s->async->events |= COMEDI_CB_OVERFLOW;
 	}
 	if (perm_stale_data) {
···
 		if (read_register(counter,
 				NITIO_Gi_DMA_Status_Reg(counter->
 					counter_index)) & Gi_DRQ_Error_Bit) {
-			rt_printk("%s: Gi_DRQ_Error detected.\n", __FUNCTION__);
+			printk("%s: Gi_DRQ_Error detected.\n", __FUNCTION__);
 			s->async->events |= COMEDI_CB_OVERFLOW;
 		}
 		break;
 	case ni_gpct_variant_e_series:
 		break;
 	}
-	comedi_spin_lock_irqsave(&counter->lock, flags);
+	spin_lock_irqsave(&counter->lock, flags);
 	if (counter->mite_chan == NULL) {
-		comedi_spin_unlock_irqrestore(&counter->lock, flags);
+		spin_unlock_irqrestore(&counter->lock, flags);
 		return;
 	}
 	gpct_mite_status = mite_get_status(counter->mite_chan);
···
 			MITE_CHOR(counter->mite_chan->channel));
 	}
 	mite_sync_input_dma(counter->mite_chan, s->async);
-	comedi_spin_unlock_irqrestore(&counter->lock, flags);
+	spin_unlock_irqrestore(&counter->lock, flags);
 }
 
 void ni_tio_set_mite_channel(struct ni_gpct *counter,
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&counter->lock, flags);
+	spin_lock_irqsave(&counter->lock, flags);
 	counter->mite_chan = mite_chan;
-	comedi_spin_unlock_irqrestore(&counter->lock, flags);
+	spin_unlock_irqrestore(&counter->lock, flags);
 }
 
 static int __init ni_tiocmd_init_module(void)

drivers/staging/comedi/drivers/pcl711.c

···
 			hi = inb(dev->iobase + PCL711_AD_HI);
 			if (!(hi & PCL711_DRDY))
 				goto ok;
-			comedi_udelay(1);
+			udelay(1);
 		}
-		rt_printk("comedi%d: pcl711: A/D timeout\n", dev->minor);
+		printk("comedi%d: pcl711: A/D timeout\n", dev->minor);
 		return -ETIME;
 
 	      ok:
···
 	printk("comedi%d: pcl711: remove\n", dev->minor);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	if (dev->iobase)
 		release_region(dev->iobase, PCL711_SIZE);
···
 		return -EINVAL;
 	}
 	if (irq) {
-		if (comedi_request_irq(irq, pcl711_interrupt, 0, "pcl711", dev)) {
+		if (request_irq(irq, pcl711_interrupt, 0, "pcl711", dev)) {
 			printk("unable to allocate irq %u\n", irq);
 			return -EINVAL;
 		} else {

drivers/staging/comedi/drivers/pcl724.c

···
 		irq = it->options[1];
 		if (irq) {	/* we want to use IRQ */
 			if (((1 << irq) & this_board->IRQbits) == 0) {
-				rt_printk
+				printk
 					(", IRQ %u is out of allowed range, DISABLING IT",
 					irq);
 				irq = 0;	/* Bad IRQ */
 			} else {
-				if (comedi_request_irq(irq, interrupt_pcl724, 0,
-						"pcl724", dev)) {
-					rt_printk
+				if (request_irq(irq, interrupt_pcl724, 0, "pcl724", dev)) {
+					printk
 						(", unable to allocate IRQ %u, DISABLING IT",
 						irq);
 					irq = 0;	/* Can't use IRQ */
 				} else {
-					rt_printk(", irq=%u", irq);
+					printk(", irq=%u", irq);
 				}
 			}
 		}
···
 
 #ifdef PCL724_IRQ
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 #endif
 

drivers/staging/comedi/drivers/pcl726.c

···
 		devpriv->first_chan = 2;
 		if (irq) {	/* we want to use IRQ */
 			if (((1 << irq) & boardtypes[board].IRQbits) == 0) {
-				rt_printk
+				printk
 					(", IRQ %d is out of allowed range, DISABLING IT",
 					irq);
 				irq = 0;	/* Bad IRQ */
 			} else {
-				if (comedi_request_irq(irq, interrupt_pcl818, 0,
+				if (request_irq(irq, interrupt_pcl818, 0,
 						"pcl726", dev)) {
-					rt_printk
+					printk
 						(", unable to allocate IRQ %d, DISABLING IT",
 						irq);
 					irq = 0;	/* Can't use IRQ */
 				} else {
-					rt_printk(", irq=%d", irq);
+					printk(", irq=%d", irq);
 				}
 			}
 		}
···
 
 #ifdef ACL6126_IRQ
 	if (dev->irq) {
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 #endif
 

drivers/staging/comedi/drivers/pcl812.c

···
 	setup_range_channel(dev, s, insn->chanspec, 1);	/*  select channel and renge */
 	for (n = 0; n < insn->n; n++) {
 		outb(255, dev->iobase + PCL812_SOFTTRIG);	/* start conversion */
-		comedi_udelay(5);
+		udelay(5);
 		timeout = 50;	/* wait max 50us, it must finish under 33us */
 		while (timeout--) {
 			hi = inb(dev->iobase + PCL812_AD_HI);
 			if (!(hi & PCL812_DRDY))
 				goto conv_finish;
-			comedi_udelay(1);
+			udelay(1);
 		}
-		rt_printk
+		printk
 			("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
 			dev->minor, dev->board_name, dev->iobase);
 		outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
···
 	setup_range_channel(dev, s, insn->chanspec, 1);	/*  select channel and renge */
 	for (n = 0; n < insn->n; n++) {
 		outb(255, dev->iobase + PCL812_SOFTTRIG);	/* start conversion */
-		comedi_udelay(5);
+		udelay(5);
 		timeout = 50;	/* wait max 50us, it must finish under 33us */
 		while (timeout--) {
 			if (!(inb(dev->iobase + ACL8216_STATUS) & ACL8216_DRDY))
 				goto conv_finish;
-			comedi_udelay(1);
+			udelay(1);
 		}
-		rt_printk
+		printk
 			("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
 			dev->minor, dev->board_name, dev->iobase);
 		outb(0, dev->iobase + PCL812_MODE);
···
 */
 static void pcl812_cmdtest_out(int e, struct comedi_cmd *cmd)
 {
-	rt_printk("pcl812 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
+	printk("pcl812 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
 		cmd->start_src, cmd->scan_begin_src, cmd->convert_src);
-	rt_printk("pcl812 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
+	printk("pcl812 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
 		cmd->start_arg, cmd->scan_begin_arg, cmd->convert_arg);
-	rt_printk("pcl812 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
+	printk("pcl812 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
 		cmd->scan_end_src);
-	rt_printk("pcl812 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
+	printk("pcl812 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
 		cmd->stop_arg, cmd->scan_end_arg, cmd->chanlist_len);
 }
 #endif
···
 	int tmp, divisor1, divisor2;
 
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...)\n");
+	printk("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...)\n");
 	pcl812_cmdtest_out(-1, cmd);
 #endif
 	/* step 1: make sure trigger sources are trivially valid */
···
 	if (err) {
 #ifdef PCL812_EXTDEBUG
 		pcl812_cmdtest_out(1, cmd);
-		rt_printk
+		printk
 			("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=1\n",
 			err);
 #endif
···
 	if (err) {
 #ifdef PCL812_EXTDEBUG
 		pcl812_cmdtest_out(2, cmd);
-		rt_printk
+		printk
 			("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=2\n",
 			err);
 #endif
···
 	if (err) {
 #ifdef PCL812_EXTDEBUG
 		pcl812_cmdtest_out(3, cmd);
-		rt_printk
+		printk
 			("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=3\n",
 			err);
 #endif
···
 
 	if (err) {
 #ifdef PCL812_EXTDEBUG
-		rt_printk
+		printk
 			("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=4\n",
 			err);
 #endif
···
 	struct comedi_cmd *cmd = &s->async->cmd;
 
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: BGN: pcl812_ai_cmd(...)\n");
+	printk("pcl812 EDBG: BGN: pcl812_ai_cmd(...)\n");
 #endif
 
 	if (cmd->start_src != TRIG_NOW)
···
 		release_dma_lock(dma_flags);
 		enable_dma(devpriv->dma);
 #ifdef PCL812_EXTDEBUG
-		rt_printk
+		printk
 			("pcl812 EDBG:   DMA %d PTR 0x%0x/0x%0x LEN %u/%u EOS %d\n",
 			devpriv->dma, devpriv->hwdmaptr[0],
 			devpriv->hwdmaptr[1], devpriv->dmabytestomove[0],
···
 	}
 
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: END: pcl812_ai_cmd(...)\n");
+	printk("pcl812 EDBG: END: pcl812_ai_cmd(...)\n");
 #endif
 
 	return 0;
···
 				err = 0;
 				break;
 			}
-			comedi_udelay(1);
+			udelay(1);
 		}
 	} else {
 		mask = 0x0fff;
···
 				err = 0;
 				break;
 			}
-			comedi_udelay(1);
+			udelay(1);
 		}
 	}
 
 	if (err) {
-		rt_printk
+		printk
 			("comedi%d: pcl812: (%s at 0x%lx) A/D cmd IRQ without DRDY!\n",
 			dev->minor, dev->board_name, dev->iobase);
 		pcl812_ai_cancel(dev, s);
···
 	short *ptr;
 
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: BGN: interrupt_pcl812_ai_dma(...)\n");
+	printk("pcl812 EDBG: BGN: interrupt_pcl812_ai_dma(...)\n");
 #endif
 	ptr = (short *) devpriv->dmabuf[devpriv->next_dma_buf];
 	len = (devpriv->dmabytestomove[devpriv->next_dma_buf] >> 1) -
···
 	transfer_from_dma_buf(dev, s, ptr, bufptr, len);
 
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: END: interrupt_pcl812_ai_dma(...)\n");
+	printk("pcl812 EDBG: END: interrupt_pcl812_ai_dma(...)\n");
 #endif
 	return IRQ_HANDLED;
 }
···
 	if (!devpriv->ai_dma)
 		return 0;	/*  poll is valid only for DMA transfer */
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	for (i = 0; i < 10; i++) {
 		top1 = get_dma_residue(devpriv->ai_dma);	/*  where is now DMA */
···
 	}
 
 	if (top1 != top2) {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		return 0;
 	}
 
···
 	top1 >>= 1;		/*  sample position */
 	top2 = top1 - devpriv->ai_poll_ptr;
 	if (top2 < 1) {		/*  no new samples */
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		return 0;
 	}
 
···
 
 	devpriv->ai_poll_ptr = top1;	/*  new buffer position */
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return s->async->buf_write_count - s->async->buf_read_count;
 }
···
 	outb(gain_reg, dev->iobase + PCL812_GAIN);	/* select gain */
 
 	if (wait) {
-		comedi_udelay(devpriv->max_812_ai_mode0_rangewait);	/*  XXX this depends on selected range and can be very long for some high gain ranges! */
+		udelay(devpriv->max_812_ai_mode0_rangewait);	/*  XXX this depends on selected range and can be very long for some high gain ranges! */
 	}
 }
 
···
 	unsigned int divisor2)
 {
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: BGN: start_pacer(%d,%u,%u)\n", mode, divisor1,
+	printk("pcl812 EDBG: BGN: start_pacer(%d,%u,%u)\n", mode, divisor1,
 		divisor2);
 #endif
 	outb(0xb4, dev->iobase + PCL812_CTRCTL);
 	outb(0x74, dev->iobase + PCL812_CTRCTL);
-	comedi_udelay(1);
+	udelay(1);
 
 	if (mode == 1) {
 		outb(divisor2 & 0xff, dev->iobase + PCL812_CTR2);
···
 		outb((divisor1 >> 8) & 0xff, dev->iobase + PCL812_CTR1);
 	}
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: END: start_pacer(...)\n");
+	printk("pcl812 EDBG: END: start_pacer(...)\n");
 #endif
 }
 
···
 			free_dma(devpriv->dma);
 	}
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	if (dev->iobase)
 		release_region(dev->iobase, this_board->io_range);
 }
···
 static int pcl812_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: BGN: pcl812_ai_cancel(...)\n");
+	printk("pcl812 EDBG: BGN: pcl812_ai_cancel(...)\n");
 #endif
 	if (devpriv->ai_dma)
 		disable_dma(devpriv->dma);
···
 	start_pacer(dev, -1, 0, 0);	/*  stop 8254 */
 	outb(0, dev->iobase + PCL812_CLRINT);	/* clear INT request */
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: END: pcl812_ai_cancel(...)\n");
+	printk("pcl812 EDBG: END: pcl812_ai_cancel(...)\n");
 #endif
 	return 0;
 }
···
 static void pcl812_reset(struct comedi_device *dev)
 {
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: BGN: pcl812_reset(...)\n");
+	printk("pcl812 EDBG: BGN: pcl812_reset(...)\n");
 #endif
 	outb(0, dev->iobase + PCL812_MUX);
 	outb(0 + devpriv->range_correction, dev->iobase + PCL812_GAIN);
···
 	case boardPCL813:
 	case boardISO813:
 	case boardACL8113:
-		comedi_udelay(5);
+		udelay(5);
 		break;
 	}
-	comedi_udelay(5);
+	udelay(5);
 #ifdef PCL812_EXTDEBUG
-	rt_printk("pcl812 EDBG: END: pcl812_reset(...)\n");
+	printk("pcl812 EDBG: END: pcl812_reset(...)\n");
 #endif
 }
 
···
 				printk(", IRQ %u is out of allowed range, DISABLING IT", irq);
 				irq = 0;	/* Bad IRQ */
 			} else {
-				if (comedi_request_irq(irq, interrupt_pcl812, 0,
-						"pcl812", dev)) {
+				if (request_irq(irq, interrupt_pcl812, 0, "pcl812", dev)) {
 					printk(", unable to allocate IRQ %u, DISABLING IT", irq);
 					irq = 0;	/* Can't use IRQ */
 				} else {
···
 {
 
 #ifdef PCL812_EXTDEBUG
-	rt_printk("comedi%d: pcl812: remove\n", dev->minor);
+	printk("comedi%d: pcl812: remove\n", dev->minor);
 #endif
 	free_resources(dev);
 	return 0;

drivers/staging/comedi/drivers/pcl816.c

···
 				outb(0, dev->iobase + PCL816_CLRINT);	/* clear INT (conversion end) flag */
 				break;
 			}
-			comedi_udelay(1);
+			udelay(1);
 		}
 		/*  Return timeout error */
 		if (!timeout) {
···
 		if (!(inb(dev->iobase + PCL816_STATUS) &
 				PCL816_STATUS_DRDY_MASK))
 			break;
-		comedi_udelay(1);
+		udelay(1);
 	}
 	if (!timeout) {		/*  timeout, bail error */
 		outb(0, dev->iobase + PCL816_CLRINT);	/* clear INT request */
···
 */
 static void pcl816_cmdtest_out(int e, struct comedi_cmd *cmd)
 {
-	rt_printk("pcl816 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
+	printk("pcl816 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
 		cmd->start_src, cmd->scan_begin_src, cmd->convert_src);
-	rt_printk("pcl816 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
+	printk("pcl816 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
 		cmd->start_arg, cmd->scan_begin_arg, cmd->convert_arg);
-	rt_printk("pcl816 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
+	printk("pcl816 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
 		cmd->scan_end_src);
-	rt_printk("pcl816 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
+	printk("pcl816 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
 		cmd->stop_arg, cmd->scan_end_arg, cmd->chanlist_len);
 }
 
···
 	int err = 0;
 	int tmp, divisor1, divisor2;
 
-	DEBUG(rt_printk("pcl816 pcl812_ai_cmdtest\n");
+	DEBUG(printk("pcl816 pcl812_ai_cmdtest\n");
 		pcl816_cmdtest_out(-1, cmd););
 
 	/* step 1: make sure trigger sources are trivially valid */
···
 	if (!check_and_setup_channel_list(dev, s, cmd->chanlist,
 			cmd->chanlist_len))
 		return -EINVAL;
-	comedi_udelay(1);
+	udelay(1);
 
 	devpriv->ai_act_scan = 0;
 	s->async->cur_chan = 0;
···
 	if (!devpriv->dma)
 		return 0;	/*  poll is valid only for DMA transfer */
 
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	for (i = 0; i < 20; i++) {
 		top1 = get_dma_residue(devpriv->dma);	/*  where is now DMA */
···
 			break;
 	}
 	if (top1 != top2) {
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		return 0;
 	}
 
···
 	top1 >>= 1;		/*  sample position */
 	top2 = top1 - devpriv->ai_poll_ptr;
 	if (top2 < 1) {		/*  no new samples */
-		comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+		spin_unlock_irqrestore(&dev->spinlock, flags);
 		return 0;
 	}
 
···
 		devpriv->ai_poll_ptr, top2);
 
 	devpriv->ai_poll_ptr = top1;	/*  new buffer position */
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 
 	return s->async->buf_write_count - s->async->buf_read_count;
 }
···
 */
 static int pcl816_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
-/* DEBUG(rt_printk("pcl816_ai_cancel()\n");) */
+/* DEBUG(printk("pcl816_ai_cancel()\n");) */
 
 	if (devpriv->irq_blocked > 0) {
 		switch (devpriv->int816_mode) {
···
 		case INT_TYPE_AI1_INT:
 		case INT_TYPE_AI3_INT:
 			outb(inb(dev->iobase + PCL816_CONTROL) & 0x73, dev->iobase + PCL816_CONTROL);	/* Stop A/D */
-			comedi_udelay(1);
+			udelay(1);
 			outb(0, dev->iobase + PCL816_CONTROL);	/* Stop A/D */
 			outb(0xb0, dev->iobase + PCL816_CTRCTL);	/* Stop pacer */
 			outb(0x70, dev->iobase + PCL816_CTRCTL);
···
 		}
 	}
 
-	DEBUG(rt_printk("comedi: pcl816_ai_cancel() successful\n");
+	DEBUG(printk("comedi: pcl816_ai_cancel() successful\n");
 		)
 		return 0;
 }
···
 static int pcl816_check(unsigned long iobase)
 {
 	outb(0x00, iobase + PCL816_MUX);
-	comedi_udelay(1);
+	udelay(1);
 	if (inb(iobase + PCL816_MUX) != 0x00)
 		return 1;	/* there isn't card */
 	outb(0x55, iobase + PCL816_MUX);
-	comedi_udelay(1);
+	udelay(1);
 	if (inb(iobase + PCL816_MUX) != 0x55)
 		return 1;	/* there isn't card */
 	outb(0x00, iobase + PCL816_MUX);
-	comedi_udelay(1);
+	udelay(1);
 	outb(0x18, iobase + PCL816_CONTROL);
-	comedi_udelay(1);
+	udelay(1);
 	if (inb(iobase + PCL816_CONTROL) != 0x18)
 		return 1;	/* there isn't card */
 	return 0;		/*  ok, card exist */
···
 {
 /* outb (0, dev->iobase + PCL818_DA_LO);         DAC=0V */
 /* outb (0, dev->iobase + PCL818_DA_HI); */
-/* comedi_udelay (1); */
+/* udelay (1); */
 /* outb (0, dev->iobase + PCL818_DO_HI);        DO=$0000 */
 /* outb (0, dev->iobase + PCL818_DO_LO); */
-/* comedi_udelay (1); */
+/* udelay (1); */
 	outb(0, dev->iobase + PCL816_CONTROL);
 	outb(0, dev->iobase + PCL816_MUX);
 	outb(0, dev->iobase + PCL816_CLRINT);
···
 	outb(0x32, dev->iobase + PCL816_CTRCTL);
 	outb(0xff, dev->iobase + PCL816_CTR0);
 	outb(0x00, dev->iobase + PCL816_CTR0);
-	comedi_udelay(1);
+	udelay(1);
 	outb(0xb4, dev->iobase + PCL816_CTRCTL);	/*  set counter 2 as mode 3 */
 	outb(0x74, dev->iobase + PCL816_CTRCTL);	/*  set counter 1 as mode 3 */
-	comedi_udelay(1);
+	udelay(1);
 
 	if (mode == 1) {
 		DPRINTK("mode %d, divisor1 %d, divisor2 %d\n", mode, divisor1,
···
 		chansegment[0] = chanlist[0];	/*  first channel is everytime ok */
 		for (i = 1, seglen = 1; i < chanlen; i++, seglen++) {
 			/*  build part of chanlist */
-			DEBUG(rt_printk("%d. %d %d\n", i, CR_CHAN(chanlist[i]),
+			DEBUG(printk("%d. %d %d\n", i, CR_CHAN(chanlist[i]),
 					CR_RANGE(chanlist[i]));
 				)
 				if (chanlist[0] == chanlist[i])
···
 				(CR_CHAN(chansegment[i - 1]) + 1) % chanlen;
 			if (nowmustbechan != CR_CHAN(chanlist[i])) {
 				/*  channel list isn't continous :-( */
-				rt_printk
+				printk
 					("comedi%d: pcl816: channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n",
 					dev->minor, i, CR_CHAN(chanlist[i]),
 					nowmustbechan, CR_CHAN(chanlist[0]));
···
 		}
 
 		for (i = 0, segpos = 0; i < chanlen; i++) {	/*  check whole chanlist */
-			DEBUG(rt_printk("%d %d=%d %d\n",
+			DEBUG(printk("%d %d=%d %d\n",
 					CR_CHAN(chansegment[i % seglen]),
 					CR_RANGE(chansegment[i % seglen]),
 					CR_CHAN(chanlist[i]),
 					CR_RANGE(chanlist[i]));
 				)
 				if (chanlist[i] != chansegment[i % seglen]) {
-				rt_printk
+				printk
 					("comedi%d: pcl816: bad channel or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n",
 					dev->minor, i, CR_CHAN(chansegment[i]),
 					CR_RANGE(chansegment[i]),
···
 		outb(CR_RANGE(chanlist[0]), dev->iobase + PCL816_RANGE);	/* select gain */
 	}
 
-	comedi_udelay(1);
+	udelay(1);
 
 	outb(devpriv->ai_act_chanlist[0] | (devpriv->ai_act_chanlist[seglen - 1] << 4), dev->iobase + PCL816_MUX);	/* select channel interval to scan */
 
···
 */
 static void free_resources(struct comedi_device *dev)
 {
-	/* rt_printk("free_resource()\n"); */
+	/* printk("free_resource()\n"); */
 	if (dev->private) {
 		pcl816_ai_cancel(dev, devpriv->sub_ai);
 		pcl816_reset(dev);
···
 			free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]);
 #ifdef unused
 		if (devpriv->rtc_irq)
-			comedi_free_irq(devpriv->rtc_irq, dev);
+			free_irq(devpriv->rtc_irq, dev);
 		if ((devpriv->dma_rtc) && (RTC_lock == 1)) {
 			if (devpriv->rtc_iobase)
 				release_region(devpriv->rtc_iobase,
···
 		free_irq(dev->irq, dev);
 	if (dev->iobase)
 		release_region(dev->iobase, this_board->io_range);
-	/* rt_printk("free_resource() end\n"); */
+	/* printk("free_resource() end\n"); */
 }
 
 /*
···
 		this_board->name, iobase);
 
 	if (!request_region(iobase, this_board->io_range, "pcl816")) {
-		rt_printk("I/O port conflict\n");
+		printk("I/O port conflict\n");
 		return -EIO;
 	}
 
 	dev->iobase = iobase;
 
 	if (pcl816_check(iobase)) {
-		rt_printk(", I cann't detect board. FAIL!\n");
+		printk(", I cann't detect board. FAIL!\n");
 		return -EIO;
 	}
 
···
 		irq = it->options[1];
 		if (irq) {	/* we want to use IRQ */
 			if (((1 << irq) & this_board->IRQbits) == 0) {
-				rt_printk
+				printk
 					(", IRQ %u is out of allowed range, DISABLING IT",
 					irq);
 				irq = 0;	/* Bad IRQ */
 			} else {
-				if (comedi_request_irq(irq, interrupt_pcl816, 0,
-						"pcl816", dev)) {
-					rt_printk
+				if (request_irq(irq, interrupt_pcl816, 0, "pcl816", dev)) {
+					printk
 						(", unable to allocate IRQ %u, DISABLING IT",
 						irq);
 					irq = 0;	/* Can't use IRQ */
 				} else {
-					rt_printk(", irq=%u", irq);
+					printk(", irq=%u", irq);
 				}
 			}
 		}
···
 		devpriv->rtc_iosize = RTC_IO_EXTENT;
 		RTC_lock++;
 #ifdef UNTESTED_CODE
-		if (!comedi_request_irq(RTC_IRQ,
-				interrupt_pcl816_ai_mode13_dma_rtc, 0,
+		if (!request_irq(RTC_IRQ, interrupt_pcl816_ai_mode13_dma_rtc, 0,
 				"pcl816 DMA (RTC)", dev)) {
 			devpriv->dma_rtc = 1;
 			devpriv->rtc_irq = RTC_IRQ;
-			rt_printk(", dma_irq=%u", devpriv->rtc_irq);
+			printk(", dma_irq=%u", devpriv->rtc_irq);
 		} else {
 			RTC_lock--;
 			if (RTC_lock == 0) {
···
 			goto no_dma;	/* DMA disabled */
 
 		if (((1 << dma) & this_board->DMAbits) == 0) {
-			rt_printk(", DMA is out of allowed range, FAIL!\n");
+			printk(", DMA is out of allowed range, FAIL!\n");
 			return -EINVAL;	/* Bad DMA */
 		}
 		ret = request_dma(dma, "pcl816");
 		if (ret) {
-			rt_printk(", unable to allocate DMA %u, FAIL!\n", dma);
+			printk(", unable to allocate DMA %u, FAIL!\n", dma);
 			return -EBUSY;	/* DMA isn't free */
 		}
 
 		devpriv->dma = dma;
-		rt_printk(", dma=%u", dma);
+		printk(", dma=%u", dma);
 		pages = 2;	/* we need 16KB */
 		devpriv->dmabuf[0] = __get_dma_pages(GFP_KERNEL, pages);
 
 		if (!devpriv->dmabuf[0]) {
-			rt_printk(", unable to allocate DMA buffer, FAIL!\n");
+			printk(", unable to allocate DMA buffer, FAIL!\n");
 			/* maybe experiment with try_to_free_pages() will help .... */
 			return -EBUSY;	/* no buffer :-( */
 		}
 		devpriv->dmapages[0] = pages;
 		devpriv->hwdmaptr[0] = virt_to_bus((void *)devpriv->dmabuf[0]);
 		devpriv->hwdmasize[0] = (1 << pages) * PAGE_SIZE;
-		/* rt_printk("%d %d %ld, ",devpriv->dmapages[0],devpriv->hwdmasize[0],PAGE_SIZE); */
+		/* printk("%d %d %ld, ",devpriv->dmapages[0],devpriv->hwdmasize[0],PAGE_SIZE); */
 
 		if (devpriv->dma_rtc == 0) {	/*  we must do duble buff :-( */
 			devpriv->dmabuf[1] = __get_dma_pages(GFP_KERNEL, pages);
 			if (!devpriv->dmabuf[1]) {
-				rt_printk
+				printk
 					(", unable to allocate DMA buffer, FAIL!\n");
 				return -EBUSY;
 			}
···
 
 	pcl816_reset(dev);
 
-	rt_printk("\n");
+	printk("\n");
 
 	return 0;
 }
···
  */
 static int pcl816_detach(struct comedi_device *dev)
 {
-	DEBUG(rt_printk("comedi%d: pcl816: remove\n", dev->minor);
+	DEBUG(printk("comedi%d: pcl816: remove\n", dev->minor);
 		)
 		free_resources(dev);
 #ifdef unused

drivers/staging/comedi/drivers/pcl818.c

···
 		while (timeout--) {
 			if (inb(dev->iobase + PCL818_STATUS) & 0x10)
 				goto conv_finish;
-			comedi_udelay(1);
+			udelay(1);
 		}
 		comedi_error(dev, "A/D insn timeout");
 		/* clear INT (conversion end) flag */
···
 	while (timeout--) {
 		if (inb(dev->iobase + PCL818_STATUS) & 0x10)
 			goto conv_finish;
-		comedi_udelay(1);
+		udelay(1);
 	}
 	outb(0, dev->iobase + PCL818_STATUS);	/* clear INT request */
 	comedi_error(dev, "A/D mode1/3 IRQ without DRDY!");
···
 	outb(0, dev->iobase + PCL818_CLRINT);	/* clear INT request */
 
 	if ((low & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) {	/*  dropout! */
-		rt_printk
+		printk
 			("comedi: A/D mode1/3 IRQ - channel dropout %x!=%x !\n",
 			(low & 0xf),
 			devpriv->act_chanlist[devpriv->act_chanlist_pos]);
···
 		return IRQ_HANDLED;
 	}
 	if (s->async->cur_chan == 0) {
-		/*  rt_printk("E"); */
+		/*  printk("E"); */
 		devpriv->ai_act_scan--;
 	}
 
···
 		release_dma_lock(flags);
 		enable_dma(devpriv->dma);
 	}
-	rt_printk("comedi: A/D mode1/3 IRQ \n");
+	printk("comedi: A/D mode1/3 IRQ \n");
 
 	devpriv->dma_runs_to_end--;
 	outb(0, dev->iobase + PCL818_CLRINT);	/* clear INT request */
···
 
 	for (i = 0; i < len; i++) {
 		if ((ptr[bufptr] & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) {	/*  dropout! */
-			rt_printk
+			printk
 				("comedi: A/D mode1/3 DMA - channel dropout %d(card)!=%d(chanlist) at %d !\n",
 				(ptr[bufptr] & 0xf),
 				devpriv->act_chanlist[devpriv->
···
 
 		if (dmabuf[i] != MAGIC_DMA_WORD) {	/*  DMA overflow! */
 			comedi_error(dev, "A/D mode1/3 DMA buffer overflow!");
-			/* rt_printk("I %d dmabuf[i] %d %d\n",i,dmabuf[i],devpriv->dmasamplsize); */
+			/* printk("I %d dmabuf[i] %d %d\n",i,dmabuf[i],devpriv->dmasamplsize); */
 			pcl818_ai_cancel(dev, s);
 			s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 			comedi_event(dev, s);
 			return IRQ_HANDLED;
 		}
-		/* rt_printk("r %ld ",ofs_dats); */
+		/* printk("r %ld ",ofs_dats); */
 
 		bufptr = devpriv->last_top_dma;
 
 		for (i = 0; i < ofs_dats; i++) {
 			if ((dmabuf[bufptr] & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) {	/*  dropout! */
-				rt_printk
+				printk
 					("comedi: A/D mode1/3 DMA - channel dropout %d!=%d !\n",
 					(dmabuf[bufptr] & 0xf),
 					devpriv->act_chanlist[devpriv->
···
 	for (i = 0; i < len; i++) {
 		lo = inb(dev->iobase + PCL818_FI_DATALO);
 		if ((lo & 0xf) != devpriv->act_chanlist[devpriv->act_chanlist_pos]) {	/*  dropout! */
-			rt_printk
+			printk
 				("comedi: A/D mode1/3 FIFO - channel dropout %d!=%d !\n",
 				(lo & 0xf),
 				devpriv->act_chanlist[devpriv->
···
 		comedi_error(dev, "premature interrupt");
 		return IRQ_HANDLED;
 	}
-	/* rt_printk("I\n"); */
+	/* printk("I\n"); */
 
 	if (devpriv->irq_blocked && devpriv->irq_was_now_closed) {
 		if ((devpriv->neverending_ai || (!devpriv->neverending_ai &&
···
 	unsigned int flags;
 	unsigned int bytes;
 
-	rt_printk("mode13dma_int, mode: %d\n", mode);
+	printk("mode13dma_int, mode: %d\n", mode);
 	disable_dma(devpriv->dma);	/*  disable dma */
 	bytes = devpriv->hwdmasize[0];
 	if (!devpriv->neverending_ai) {
···
 	int divisor1, divisor2;
 	unsigned int seglen;
 
-	rt_printk("pcl818_ai_cmd_mode()\n");
+	printk("pcl818_ai_cmd_mode()\n");
 	if ((!dev->irq) && (!devpriv->dma_rtc)) {
 		comedi_error(dev, "IRQ not defined!");
 		return -EINVAL;
···
 	setup_channel_list(dev, s, devpriv->ai_chanlist,
 		devpriv->ai_n_chan, seglen);
 
-	comedi_udelay(1);
+	udelay(1);
 
 	devpriv->ai_act_scan = devpriv->ai_scans;
 	devpriv->ai_act_chan = 0;
···
 	case 0:
 		if (!devpriv->usefifo) {
 			/* IRQ */
-			/* rt_printk("IRQ\n"); */
+			/* printk("IRQ\n"); */
 			if (mode == 1) {
 				devpriv->ai_mode = INT_TYPE_AI1_INT;
 				/* Pacer+IRQ */
···
 		break;
 	}
 #endif
-	rt_printk("pcl818_ai_cmd_mode() end\n");
+	printk("pcl818_ai_cmd_mode() end\n");
 	return 0;
 }
 
···
 {
 	outb(0xb4, dev->iobase + PCL818_CTRCTL);
 	outb(0x74, dev->iobase + PCL818_CTRCTL);
-	comedi_udelay(1);
+	udelay(1);
 
 	if (mode == 1) {
 		outb(divisor2 & 0xff, dev->iobase + PCL818_CTR2);
···
 		/*  build part of chanlist */
 		for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {
 
-			/* rt_printk("%d. %d * %d\n",i,
+			/* printk("%d. %d * %d\n",i,
 			 * CR_CHAN(it->chanlist[i]),CR_RANGE(it->chanlist[i]));*/
 
 			/* we detect loop, this must by finish */
···
 			nowmustbechan =
 				(CR_CHAN(chansegment[i - 1]) + 1) % s->n_chan;
 			if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continous :-( */
-				rt_printk
+				printk
 					("comedi%d: pcl818: channel list must be continous! chanlist[%i]=%d but must be %d or %d!\n",
 					dev->minor, i, CR_CHAN(chanlist[i]),
 					nowmustbechan, CR_CHAN(chanlist[0]));
···
 
 		/*  check whole chanlist */
 		for (i = 0, segpos = 0; i < n_chan; i++) {
-			/* rt_printk("%d %d=%d %d\n",CR_CHAN(chansegment[i%seglen]),CR_RANGE(chansegment[i%seglen]),CR_CHAN(it->chanlist[i]),CR_RANGE(it->chanlist[i])); */
+			/* printk("%d %d=%d %d\n",CR_CHAN(chansegment[i%seglen]),CR_RANGE(chansegment[i%seglen]),CR_CHAN(it->chanlist[i]),CR_RANGE(it->chanlist[i])); */
 			if (chanlist[i] != chansegment[i % seglen]) {
-				rt_printk
+				printk
 					("comedi%d: pcl818: bad channel or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n",
 					dev->minor, i, CR_CHAN(chansegment[i]),
 					CR_RANGE(chansegment[i]),
···
 	} else {
 		seglen = 1;
 	}
-	rt_printk("check_channel_list: seglen %d\n", seglen);
+	printk("check_channel_list: seglen %d\n", seglen);
 	return seglen;
 }
 
···
 		outb(CR_RANGE(chanlist[i]), dev->iobase + PCL818_RANGE);	/* select gain */
 	}
 
-	comedi_udelay(1);
+	udelay(1);
 
 	/* select channel interval to scan */
 	outb(devpriv->act_chanlist[0] | (devpriv->act_chanlist[seglen -
···
 	struct comedi_cmd *cmd = &s->async->cmd;
 	int retval;
 
-	rt_printk("pcl818_ai_cmd()\n");
+	printk("pcl818_ai_cmd()\n");
 	devpriv->ai_n_chan = cmd->chanlist_len;
 	devpriv->ai_chanlist = cmd->chanlist;
 	devpriv->ai_flags = cmd->flags;
···
 		if (cmd->convert_src == TRIG_TIMER) {	/*  mode 1 */
 			devpriv->ai_timer1 = cmd->convert_arg;
 			retval = pcl818_ai_cmd_mode(1, dev, s);
-			rt_printk("pcl818_ai_cmd() end\n");
+			printk("pcl818_ai_cmd() end\n");
 			return retval;
 		}
 		if (cmd->convert_src == TRIG_EXT) {	/*  mode 3 */
···
 static int pcl818_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	if (devpriv->irq_blocked > 0) {
-		rt_printk("pcl818_ai_cancel()\n");
+		printk("pcl818_ai_cancel()\n");
 		devpriv->irq_was_now_closed = 1;
 
 		switch (devpriv->ai_mode) {
···
 		case INT_TYPE_AO3_INT:
 #endif
 			outb(inb(dev->iobase + PCL818_CONTROL) & 0x73, dev->iobase + PCL818_CONTROL);	/* Stop A/D */
-			comedi_udelay(1);
+			udelay(1);
 			start_pacer(dev, -1, 0, 0);
 			outb(0, dev->iobase + PCL818_AD_LO);
 			inb(dev->iobase + PCL818_AD_LO);
···
 	}
 
       end:
-	rt_printk("pcl818_ai_cancel() end\n");
+	printk("pcl818_ai_cancel() end\n");
 	return 0;
 }
 
···
 static int pcl818_check(unsigned long iobase)
 {
 	outb(0x00, iobase + PCL818_MUX);
-	comedi_udelay(1);
+	udelay(1);
 	if (inb(iobase + PCL818_MUX) != 0x00)
 		return 1;	/* there isn't card */
 	outb(0x55, iobase + PCL818_MUX);
-	comedi_udelay(1);
+	udelay(1);
 	if (inb(iobase + PCL818_MUX) != 0x55)
 		return 1;	/* there isn't card */
 	outb(0x00, iobase + PCL818_MUX);
-	comedi_udelay(1);
+	udelay(1);
 	outb(0x18, iobase + PCL818_CONTROL);
-	comedi_udelay(1);
+	udelay(1);
 	if (inb(iobase + PCL818_CONTROL) != 0x18)
 		return 1;	/* there isn't card */
 	return 0;		/*  ok, card exist */
···
 	}
 	outb(0, dev->iobase + PCL818_DA_LO);	/*  DAC=0V */
 	outb(0, dev->iobase + PCL818_DA_HI);
-	comedi_udelay(1);
+	udelay(1);
 	outb(0, dev->iobase + PCL818_DO_HI);	/*  DO=$0000 */
 	outb(0, dev->iobase + PCL818_DO_LO);
-	comedi_udelay(1);
+	udelay(1);
 	outb(0, dev->iobase + PCL818_CONTROL);
 	outb(0, dev->iobase + PCL818_CNTENABLE);
 	outb(0, dev->iobase + PCL818_MUX);
···
 */
 static void free_resources(struct comedi_device *dev)
 {
-	/* rt_printk("free_resource()\n"); */
+	/* printk("free_resource()\n"); */
 	if (dev->private) {
 		pcl818_ai_cancel(dev, devpriv->sub_ai);
 		pcl818_reset(dev);
···
 			free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]);
 #ifdef unused
 		if (devpriv->rtc_irq)
-			comedi_free_irq(devpriv->rtc_irq, dev);
+			free_irq(devpriv->rtc_irq, dev);
 		if ((devpriv->dma_rtc) && (RTC_lock == 1)) {
 			if (devpriv->rtc_iobase)
 				release_region(devpriv->rtc_iobase,
···
 		free_irq(dev->irq, dev);
 	if (dev->iobase)
 		release_region(dev->iobase, devpriv->io_range);
-	/* rt_printk("free_resource() end\n"); */
+	/* printk("free_resource() end\n"); */
 }
 
 /*
···
 		devpriv->usefifo = 1;
 	}
 	if (!request_region(iobase, devpriv->io_range, "pcl818")) {
-		rt_printk("I/O port conflict\n");
+		printk("I/O port conflict\n");
 		return -EIO;
 	}
 
 	dev->iobase = iobase;
 
 	if (pcl818_check(iobase)) {
-		rt_printk(", I can't detect board. FAIL!\n");
+		printk(", I can't detect board. FAIL!\n");
 		return -EIO;
 	}
 
···
 		irq = it->options[1];
 		if (irq) {	/* we want to use IRQ */
 			if (((1 << irq) & this_board->IRQbits) == 0) {
-				rt_printk
+				printk
 					(", IRQ %u is out of allowed range, DISABLING IT",
 					irq);
 				irq = 0;	/* Bad IRQ */
 			} else {
-				if (comedi_request_irq(irq, interrupt_pcl818, 0,
-						"pcl818", dev)) {
-					rt_printk
+				if (request_irq(irq, interrupt_pcl818, 0, "pcl818", dev)) {
+					printk
 						(", unable to allocate IRQ %u, DISABLING IT",
 						irq);
 					irq = 0;	/* Can't use IRQ */
 				} else {
-					rt_printk(", irq=%u", irq);
+					printk(", irq=%u", irq);
 				}
 			}
 		}
···
 		devpriv->rtc_iobase = RTC_PORT(0);
 		devpriv->rtc_iosize = RTC_IO_EXTENT;
 		RTC_lock++;
-		if (!comedi_request_irq(RTC_IRQ,
-				interrupt_pcl818_ai_mode13_dma_rtc, 0,
+		if (!request_irq(RTC_IRQ, interrupt_pcl818_ai_mode13_dma_rtc, 0,
 				"pcl818 DMA (RTC)", dev)) {
 			devpriv->dma_rtc = 1;
 			devpriv->rtc_irq = RTC_IRQ;
-			rt_printk(", dma_irq=%u", devpriv->rtc_irq);
+			printk(", dma_irq=%u", devpriv->rtc_irq);
 		} else {
 			RTC_lock--;
 			if (RTC_lock == 0) {
···
 		if (dma < 1)
 			goto no_dma;	/* DMA disabled */
 		if (((1 << dma) & this_board->DMAbits) == 0) {
-			rt_printk(", DMA is out of allowed range, FAIL!\n");
+			printk(", DMA is out of allowed range, FAIL!\n");
 			return -EINVAL;	/* Bad DMA */
 		}
 		ret = request_dma(dma, "pcl818");
 		if (ret) {
-			rt_printk(", unable to allocate DMA %u, FAIL!\n", dma);
+			printk(", unable to allocate DMA %u, FAIL!\n", dma);
 			return -EBUSY;	/* DMA isn't free */
 		}
 		devpriv->dma = dma;
-		rt_printk(", dma=%u", dma);
+		printk(", dma=%u", dma);
 		pages = 2;	/* we need 16KB */
 		devpriv->dmabuf[0] = __get_dma_pages(GFP_KERNEL, pages);
 		if (!devpriv->dmabuf[0]) {
-			rt_printk(", unable to allocate DMA buffer, FAIL!\n");
+			printk(", unable to allocate DMA buffer, FAIL!\n");
 			/* maybe experiment with try_to_free_pages() will help .... */
 			return -EBUSY;	/* no buffer :-( */
 		}
 		devpriv->dmapages[0] = pages;
 		devpriv->hwdmaptr[0] = virt_to_bus((void *)devpriv->dmabuf[0]);
 		devpriv->hwdmasize[0] = (1 << pages) * PAGE_SIZE;
-		/* rt_printk("%d %d %ld, ",devpriv->dmapages[0],devpriv->hwdmasize[0],PAGE_SIZE); */
+		/* printk("%d %d %ld, ",devpriv->dmapages[0],devpriv->hwdmasize[0],PAGE_SIZE); */
 		if (devpriv->dma_rtc == 0) {	/*  we must do duble buff :-( */
 			devpriv->dmabuf[1] = __get_dma_pages(GFP_KERNEL, pages);
 			if (!devpriv->dmabuf[1]) {
-				rt_printk
+				printk
 					(", unable to allocate DMA buffer, FAIL!\n");
 				return -EBUSY;
 			}
···
 
 	pcl818_reset(dev);
 
-	rt_printk("\n");
+	printk("\n");
 
 	return 0;
 }
···
  */
 static int pcl818_detach(struct comedi_device *dev)
 {
-	/*   rt_printk("comedi%d: pcl818: remove\n", dev->minor); */
+	/*   printk("comedi%d: pcl818: remove\n", dev->minor); */
 	free_resources(dev);
 	return 0;
 }

drivers/staging/comedi/drivers/pcmmio.c

···
 			dev->iobase + 16 + asic * ASIC_IOSIZE;
 		devpriv->asics[asic].irq = 0;	/* this gets actually set at the end of
 						   this function when we
-						   comedi_request_irqs */
+						   request_irqs */
 		spin_lock_init(&devpriv->asics[asic].spinlock);
 	}
 
···
 
 	for (asic = 0; irq[0] && asic < MAX_ASICS; ++asic) {
 		if (irq[asic]
-			&& comedi_request_irq(irq[asic], interrupt_pcmmio,
+			&& request_irq(irq[asic], interrupt_pcmmio,
 				IRQF_SHARED, thisboard->name, dev)) {
 			int i;
 			/* unroll the allocated irqs.. */
 			for (i = asic - 1; i >= 0; --i) {
-				comedi_free_irq(irq[i], dev);
+				free_irq(irq[i], dev);
 				devpriv->asics[i].irq = irq[i] = 0;
 			}
 			irq[asic] = 0;
···
 
 	for (i = 0; i < MAX_ASICS; ++i) {
 		if (devpriv && devpriv->asics[i].irq)
-			comedi_free_irq(devpriv->asics[i].irq, dev);
+			free_irq(devpriv->asics[i].irq, dev);
 	}
 
 	if (devpriv && devpriv->sprivs)
···
 			/* it is an interrupt for ASIC #asic */
 			unsigned char int_pend;
 
-			comedi_spin_lock_irqsave(&devpriv->asics[asic].spinlock,
-				flags);
+			spin_lock_irqsave(&devpriv->asics[asic].spinlock, flags);
 
 			int_pend = inb(iobase + REG_INT_PENDING) & 0x07;
 
···
 				++got1;
 			}
 
-			comedi_spin_unlock_irqrestore(&devpriv->asics[asic].
-				spinlock, flags);
+			spin_unlock_irqrestore(&devpriv->asics[asic].  spinlock, flags);
 
 			if (triggered) {
 				struct comedi_subdevice *s;
···
 						unsigned long flags;
 						unsigned oldevents;
 
-						comedi_spin_lock_irqsave
-							(&subpriv->dio.intr.
-							spinlock, flags);
+						spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
 
 						oldevents = s->async->events;
 
···
 							}
 						}
 
-						comedi_spin_unlock_irqrestore
-							(&subpriv->dio.intr.
-							spinlock, flags);
+						spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
 
 						if (oldevents !=
 							s->async->events) {
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
+	spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
 	if (subpriv->dio.intr.active)
 		pcmmio_stop_intr(dev, s);
-	comedi_spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
 
 	return 0;
 }
···
 	if (trignum != 0)
 		return -EINVAL;
 
-	comedi_spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
+	spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
 	s->async->inttrig = 0;
 	if (subpriv->dio.intr.active) {
 		event = pcmmio_start_intr(dev, s);
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
 
 	if (event) {
 		comedi_event(dev, s);
···
 	unsigned long flags;
 	int event = 0;
 
-	comedi_spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
+	spin_lock_irqsave(&subpriv->dio.intr.spinlock, flags);
 	subpriv->dio.intr.active = 1;
 
 	/* Set up end of acquisition. */
···
 		event = pcmmio_start_intr(dev, s);
 		break;
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->dio.intr.spinlock, flags);
 
 	if (event) {
 		comedi_event(dev, s);

drivers/staging/comedi/drivers/pcmuio.c

···
 		devpriv->asics[asic].iobase = dev->iobase + asic * ASIC_IOSIZE;
 		devpriv->asics[asic].irq = 0;	/* this gets actually set at the end of
 						   this function when we
-						   comedi_request_irqs */
+						   request_irqs */
 		spin_lock_init(&devpriv->asics[asic].spinlock);
 	}
 
···
 
 	for (asic = 0; irq[0] && asic < MAX_ASICS; ++asic) {
 		if (irq[asic]
-			&& comedi_request_irq(irq[asic], interrupt_pcmuio,
+			&& request_irq(irq[asic], interrupt_pcmuio,
 				IRQF_SHARED, thisboard->name, dev)) {
 			int i;
 			/* unroll the allocated irqs.. */
 			for (i = asic - 1; i >= 0; --i) {
-				comedi_free_irq(irq[i], dev);
+				free_irq(irq[i], dev);
 				devpriv->asics[i].irq = irq[i] = 0;
 			}
 			irq[asic] = 0;
···
 
 	for (i = 0; i < MAX_ASICS; ++i) {
 		if (devpriv->asics[i].irq)
-			comedi_free_irq(devpriv->asics[i].irq, dev);
+			free_irq(devpriv->asics[i].irq, dev);
 	}
 
 	if (devpriv && devpriv->sprivs)
···
 			/* it is an interrupt for ASIC #asic */
 			unsigned char int_pend;
 
-			comedi_spin_lock_irqsave(&devpriv->asics[asic].spinlock,
-				flags);
+			spin_lock_irqsave(&devpriv->asics[asic].spinlock, flags);
 
 			int_pend = inb(iobase + REG_INT_PENDING) & 0x07;
 
···
 				++got1;
 			}
 
-			comedi_spin_unlock_irqrestore(&devpriv->asics[asic].
-				spinlock, flags);
+			spin_unlock_irqrestore(&devpriv->asics[asic].spinlock, flags);
 
 			if (triggered) {
 				struct comedi_subdevice *s;
···
 						unsigned long flags;
 						unsigned oldevents;
 
-						comedi_spin_lock_irqsave
-							(&subpriv->intr.
-							spinlock, flags);
+						spin_lock_irqsave (&subpriv->intr.spinlock, flags);
 
 						oldevents = s->async->events;
 
···
 							}
 						}
 
-						comedi_spin_unlock_irqrestore
-							(&subpriv->intr.
-							spinlock, flags);
+						spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
 
 						if (oldevents !=
 							s->async->events) {
···
 {
 	unsigned long flags;
 
-	comedi_spin_lock_irqsave(&subpriv->intr.spinlock, flags);
+	spin_lock_irqsave(&subpriv->intr.spinlock, flags);
 	if (subpriv->intr.active)
 		pcmuio_stop_intr(dev, s);
-	comedi_spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
 
 	return 0;
 }
···
 	if (trignum != 0)
 		return -EINVAL;
 
-	comedi_spin_lock_irqsave(&subpriv->intr.spinlock, flags);
+	spin_lock_irqsave(&subpriv->intr.spinlock, flags);
 	s->async->inttrig = 0;
 	if (subpriv->intr.active) {
 		event = pcmuio_start_intr(dev, s);
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
 
 	if (event) {
 		comedi_event(dev, s);
···
 	unsigned long flags;
 	int event = 0;
 
-	comedi_spin_lock_irqsave(&subpriv->intr.spinlock, flags);
+	spin_lock_irqsave(&subpriv->intr.spinlock, flags);
 	subpriv->intr.active = 1;
 
 	/* Set up end of acquisition. */
···
 		event = pcmuio_start_intr(dev, s);
 		break;
 	}
-	comedi_spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
+	spin_unlock_irqrestore(&subpriv->intr.spinlock, flags);
 
 	if (event) {
 		comedi_event(dev, s);

drivers/staging/comedi/drivers/plx9080.h

···
 
 	/*  wait to make sure done bit is zero */
 	for (i = 0; (dma_status & PLX_DMA_DONE_BIT) && i < timeout; i++) {
-		comedi_udelay(1);
+		udelay(1);
 		dma_status = readb(dma_cs_addr);
 	}
 	if (i == timeout) {
-		rt_printk
+		printk
 			("plx9080: cancel() timed out waiting for dma %i done clear\n",
 			channel);
 		return -ETIMEDOUT;
···
 	/*  wait for dma done bit */
 	dma_status = readb(dma_cs_addr);
 	for (i = 0; (dma_status & PLX_DMA_DONE_BIT) == 0 && i < timeout; i++) {
-		comedi_udelay(1);
+		udelay(1);
 		dma_status = readb(dma_cs_addr);
 	}
 	if (i == timeout) {
-		rt_printk
+		printk
 			("plx9080: cancel() timed out waiting for dma %i done set\n",
 			channel);
 		return -ETIMEDOUT;

drivers/staging/comedi/drivers/rtd520.c

···
 #define RTD_DMA_TIMEOUT	33000	/* 1 msec */
 #else
 /* by delaying, power and electrical noise are reduced somewhat */
-#define WAIT_QUIETLY	comedi_udelay (1)
+#define WAIT_QUIETLY	udelay (1)
 #define RTD_ADC_TIMEOUT	2000	/* in usec */
 #define RTD_DAC_TIMEOUT	2000	/* in usec */
 #define RTD_DMA_TIMEOUT	1000	/* in usec */
···
 	/* initialize board, per RTD spec */
 	/* also, initialize shadow registers */
 	RtdResetBoard(dev);
-	comedi_udelay(100);	/* needed? */
+	udelay(100);	/* needed? */
 	RtdPlxInterruptWrite(dev, 0);
 	RtdInterruptMask(dev, 0);	/* and sets shadow */
 	RtdInterruptClearMask(dev, ~0);	/* and sets shadow */
···
 	/* TODO: set user out source ??? */
 
 	/* check if our interrupt is available and get it */
-	ret = comedi_request_irq(devpriv->pci_dev->irq, rtd_interrupt,
+	ret = request_irq(devpriv->pci_dev->irq, rtd_interrupt,
 				 IRQF_SHARED, DRV_NAME, dev);
 
 	if (ret < 0) {
···
 		/* disable interrupt controller */
 		RtdPlxInterruptWrite(dev, RtdPlxInterruptRead(dev)
 			& ~(ICS_PLIE | ICS_DMA0_E | ICS_DMA1_E));
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 	}
 
 	/* release all regions that were allocated */
···
 			/* disable interrupt controller */
 			RtdPlxInterruptWrite(dev, RtdPlxInterruptRead(dev)
 				& ~(ICS_PLIE | ICS_DMA0_E | ICS_DMA1_E));
-			comedi_free_irq(dev->irq, dev);
+			free_irq(dev->irq, dev);
 		}
 
 		/* release all regions that were allocated */
···
 		unsigned fifo_status;
 		/* trigger conversion */
 		RtdAdcStart(dev);
-		comedi_udelay(1);
+		udelay(1);
 		fifo_status = RtdFifoStatus(dev);
 		if ((fifo_status & FS_ADC_HEMPTY) == 0) {
 			fifo_size = 2 * i;
···
 	}
 	if (i == limit)
 	{
-		rt_printk("\ncomedi: %s: failed to probe fifo size.\n", DRV_NAME);
+		printk("\ncomedi: %s: failed to probe fifo size.\n", DRV_NAME);
 		return -EIO;
 	}
 	RtdAdcClearFifo(dev);
 	if (fifo_size != 0x400 && fifo_size != 0x2000)
 	{
-		rt_printk("\ncomedi: %s: unexpected fifo size of %i, expected 1024 or 8192.\n",
+		printk("\ncomedi: %s: unexpected fifo size of %i, expected 1024 or 8192.\n",
 			DRV_NAME, fifo_size);
 		return -EIO;
 	}
···
 		+ ((channel == 0) ? LCFG_DMACSR0 : LCFG_DMACSR1);
 
 	/*  spinlock for plx dma control/status reg */
-	/* comedi_spin_lock_irqsave( &dev->spinlock, flags ); */
+	/* spin_lock_irqsave( &dev->spinlock, flags ); */
 
 	/*  abort dma transfer if necessary */
 	status = readb(dma_cs_addr);
···
 
 	/* disable channel (required) */
 	writeb(0, dma_cs_addr);
-	comedi_udelay(1);	/* needed?? */
+	udelay(1);	/* needed?? */
 	/* set abort bit for channel */
 	writeb(PLX_DMA_ABORT_BIT, dma_cs_addr);
 
···
 	}
 
       abortDmaExit:
-	/* comedi_spin_unlock_irqrestore( &dev->spinlock, flags ); */
+	/* spin_unlock_irqrestore( &dev->spinlock, flags ); */
 }
 
 /*

drivers/staging/comedi/drivers/rti800.c

···
 		 * gets set, and you will have an error. */
 		if (insn->n > 0) {
 			BUG_ON(gain >= ARRAY_SIZE(gaindelay));
-			comedi_udelay(gaindelay[gain]);
+			udelay(gaindelay[gain]);
 		}
 	}
 
···
 		for (t = RTI800_TIMEOUT; t; t--) {
 			status = inb(dev->iobase + RTI800_CSR);
 			if (status & RTI800_OVERRUN) {
-				rt_printk("rti800: a/d overrun\n");
+				printk("rti800: a/d overrun\n");
 				outb(0, dev->iobase + RTI800_CLRFLAGS);
 				return -EIO;
 			}
 			if (status & RTI800_DONE)
 				break;
-			comedi_udelay(1);
+			udelay(1);
 		}
 		if (t == 0) {
-			rt_printk("rti800: timeout\n");
+			printk("rti800: timeout\n");
 			return -ETIME;
 		}
 		data[i] = inb(dev->iobase + RTI800_ADCLO);
···
 	irq = it->options[1];
 	if (irq) {
 		printk("( irq = %u )", irq);
-		ret = comedi_request_irq(irq, rti800_interrupt, 0,
-					 "rti800", dev);
+		ret = request_irq(irq, rti800_interrupt, 0, "rti800", dev);
 		if (ret < 0) {
 			printk(" Failed to allocate IRQ\n");
 			return ret;
···
 		release_region(dev->iobase, RTI800_SIZE);
 
 	if (dev->irq)
-		comedi_free_irq(dev->irq, dev);
+		free_irq(dev->irq, dev);
 
 	return 0;
 }

drivers/staging/comedi/drivers/s526.c

···
 			}
 		}
 		if (i == TIMEOUT) {
-			/* rt_printk() should be used instead of printk()
+			/* printk() should be used instead of printk()
 			 * whenever the code can be called from real-time. */
-			rt_printk("s526: ADC(0x%04x) timeout\n",
+			printk("s526: ADC(0x%04x) timeout\n",
 				inw(ADDR_REG(REG_ISR)));
 			return -ETIMEDOUT;
 		}

drivers/staging/comedi/drivers/s626.c

···
 	if (dev->irq == 0) {
 		printk(" unknown irq (bad)\n");
 	} else {
-		ret = comedi_request_irq(dev->irq, s626_irq_handler,
-					 IRQF_SHARED, "s626", dev);
+		ret = request_irq(dev->irq, s626_irq_handler, IRQF_SHARED,
+				  "s626", dev);
 
 		if (ret < 0) {
 			printk(" irq not available\n");
···
 	if (dev->attached == 0)
 		return IRQ_NONE;
 	/*  lock to avoid race with comedi_poll */
-	comedi_spin_lock_irqsave(&dev->spinlock, flags);
+	spin_lock_irqsave(&dev->spinlock, flags);
 
 	/* save interrupt enable register state */
 	irqstatus = readl(devpriv->base_addr + P_IER);
···
 
 	DEBUG("s626_irq_handler: exit interrupt service routine.\n");
 
-	comedi_spin_unlock_irqrestore(&dev->spinlock, flags);
+	spin_unlock_irqrestore(&dev->spinlock, flags);
 	return IRQ_HANDLED;
 }
 
···
 		}
 
 		if (dev->irq)
-			comedi_free_irq(dev->irq, dev);
+			free_irq(dev->irq, dev);
 
 		if (devpriv->base_addr)
 			iounmap(devpriv->base_addr);
···
 	for (n = 0; n < insn->n; n++) {
 
 		/*  Delay 10 microseconds for analog input settling. */
-		comedi_udelay(10);
+		udelay(10);
 
 		/*  Start ADC by pulsing GPIO1 low. */
 		GpioImage = RR7146(P_GPIO);
···
 		 * data value is sometimes set to the previous
 		 * conversion's data value.
 		 */
-		comedi_udelay(4);
+		udelay(4);
 	}
 
 	/* Start a dummy conversion to cause the data from the

drivers/staging/comedi/drivers/s626.h

···
 */
 
 #ifdef _DEBUG_
-#define DEBUG(...);        rt_printk(__VA_ARGS__);
+#define DEBUG(...);        printk(__VA_ARGS__);
 #else
 #define DEBUG(...)
 #endif

drivers/staging/comedi/drivers/serial2002.c

···
 					result = ch;
 					break;
 				}
-				comedi_udelay(100);
+				udelay(100);
 			}
 		}
 		set_fs(oldfs);

drivers/staging/comedi/drivers/skel.c

···
 				break;
 		}
 		if (i == TIMEOUT) {
-			/* rt_printk() should be used instead of printk()
+			/* printk() should be used instead of printk()
 			 * whenever the code can be called from real-time. */
-			rt_printk("timeout\n");
+			printk("timeout\n");
 			return -ETIMEDOUT;
 		}
 

drivers/staging/comedi/drivers/unioxx5.c

···
 			usp->usp_module_type[i] = inb(subdev_iobase + 6);
 
 		printk(" [%d] 0x%02x |", i, usp->usp_module_type[i]);
-		comedi_udelay(1);
+		udelay(1);
 	}
 
 	printk("\n");

drivers/staging/comedi/kcomedilib/data.c

···
 
 #include "../comedi.h"
 #include "../comedilib.h"
-#include "../comedidev.h"	/* for comedi_udelay() */
+#include "../comedidev.h"
 
 #include <linux/string.h>
 
···
 	if (retval < 0)
 		return retval;
 
-	comedi_udelay((nano_sec + 999) / 1000);
+	udelay((nano_sec + 999) / 1000);
 
 	return comedi_data_read(dev, subdev, chan, range, aref, data);
 }

drivers/staging/comedi/kcomedilib/kcomedilib_main.c

···
 
 void comedi_perror(const char *message)
 {
-	rt_printk("%s: unknown error\n", message);
+	printk("%s: unknown error\n", message);
 }
 
 char *comedi_strerror(int err)
···
 				ret = -EINVAL;
 				break;
 			}
-			comedi_udelay(insn->data[0]);
+			udelay(insn->data[0]);
 			ret = 1;
 			break;
 		case INSN_INTTRIG:
···
 				break;
 			}
 			if (insn->subdev >= dev->n_subdevices) {
-				rt_printk("%d not usable subdevice\n",
+				printk("%d not usable subdevice\n",
 					insn->subdev);
 				ret = -EINVAL;
 				break;
 			}
 			s = dev->subdevices + insn->subdev;
 			if (!s->async) {
-				rt_printk("no async\n");
+				printk("no async\n");
 				ret = -EINVAL;
 				break;
 			}
 			if (!s->async->inttrig) {
-				rt_printk("no inttrig\n");
+				printk("no inttrig\n");
 				ret = -EAGAIN;
 				break;
 			}
···
 		s = dev->subdevices + insn->subdev;
 
 		if (s->type == COMEDI_SUBD_UNUSED) {
-			rt_printk("%d not useable subdevice\n", insn->subdev);
+			printk("%d not useable subdevice\n", insn->subdev);
 			ret = -EIO;
 			goto error;
 		}
···
 
 		ret = check_chanlist(s, 1, &insn->chanspec);
 		if (ret < 0) {
-			rt_printk("bad chanspec\n");
+			printk("bad chanspec\n");
 			ret = -EINVAL;
 			goto error;
 		}
···
 #if 0
 	/* XXX do we want this? -- abbotti #if'ed it out for now. */
 	if (ret != insn->n) {
-		rt_printk("BUG: result of insn != insn.n\n");
+		printk("BUG: result of insn != insn.n\n");
 		ret = -EINVAL;
 		goto error;
 	}
···
 
 	s = dev->subdevices + subdevice;
 
-	comedi_spin_lock_irqsave(&s->spin_lock, flags);
+	spin_lock_irqsave(&s->spin_lock, flags);
 
 	if (s->busy) {
 		ret = -EBUSY;
···
 		}
 	}
 
-	comedi_spin_unlock_irqrestore(&s->spin_lock, flags);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
 
 	return ret;
 }
···
 
 	async = s->async;
 
-	comedi_spin_lock_irqsave(&s->spin_lock, flags);
+	spin_lock_irqsave(&s->spin_lock, flags);
 
 	if (s->busy) {
 		ret = -EBUSY;
···
 		ret = 0;
 	}
 
-	comedi_spin_unlock_irqrestore(&s->spin_lock, flags);
+	spin_unlock_irqrestore(&s->spin_lock, flags);
 
 	return ret;
 }

drivers/staging/comedi/range.c

···
 			if (CR_CHAN(chanlist[i]) >= s->n_chan ||
 				CR_RANGE(chanlist[i]) >= s->range_table->length
 				|| aref_invalid(s, chanlist[i])) {
-				rt_printk
-					("bad chanlist[%d]=0x%08x n_chan=%d range length=%d\n",
+				printk("bad chanlist[%d]=0x%08x n_chan=%d range length=%d\n",
 					i, chanlist[i], s->n_chan,
 					s->range_table->length);
 #if 0
···
 				CR_RANGE(chanlist[i]) >=
 				s->range_table_list[chan]->length
 				|| aref_invalid(s, chanlist[i])) {
-				rt_printk("bad chanlist[%d]=0x%08x\n", i,
+				printk("bad chanlist[%d]=0x%08x\n", i,
 					chanlist[i]);
 				return -EINVAL;
 			}
 		}
 	} else {
-		rt_printk("comedi: (bug) no range type list!\n");
+		printk("comedi: (bug) no range type list!\n");
 		return -EINVAL;
 	}
 	return 0;